diff --git a/packages/components/src/components/SquiggleChart.tsx b/packages/components/src/components/SquiggleChart.tsx
index 3e712396..9e352a62 100644
--- a/packages/components/src/components/SquiggleChart.tsx
+++ b/packages/components/src/components/SquiggleChart.tsx
@@ -14,7 +14,7 @@ import { SquiggleItem } from "./SquiggleItem";
 
 export interface SquiggleChartProps {
   /** The input string for squiggle */
-  squiggleString?: string;
+  code?: string;
   /** If the output requires monte carlo sampling, the amount of samples */
   sampleCount?: number;
   /** The amount of points returned to draw the distribution */
@@ -49,7 +49,7 @@ export interface SquiggleChartProps {
 const defaultOnChange = () => {};
 
 export const SquiggleChart: React.FC<SquiggleChartProps> = ({
-  squiggleString = "",
+  code = "",
   environment,
   onChange = defaultOnChange, // defaultOnChange must be constant, don't move its definition here
   height = 200,
@@ -66,7 +66,7 @@ export const SquiggleChart: React.FC<SquiggleChartProps> = ({
   diagramCount = 100,
 }) => {
   const result = useSquiggle({
-    code: squiggleString,
+    code,
     bindings,
     environment,
     jsImports,
diff --git a/packages/components/src/components/SquiggleEditor.tsx b/packages/components/src/components/SquiggleEditor.tsx
index 3d0e0db5..78aec513 100644
--- a/packages/components/src/components/SquiggleEditor.tsx
+++ b/packages/components/src/components/SquiggleEditor.tsx
@@ -22,27 +22,41 @@ const WrappedCodeEditor: React.FC<{
   </div>
 );
 
-export type SquiggleEditorProps = SquiggleChartProps;
+export type SquiggleEditorProps = SquiggleChartProps & {
+  defaultCode?: string;
+  onCodeChange?: (code: string) => void;
+};
 
 export const SquiggleEditor: React.FC<SquiggleEditorProps> = (props) => {
-  const { squiggleString = "" } = props;
-  const [code, setCode] = useState(squiggleString);
-  React.useEffect(() => setCode(squiggleString), [squiggleString]);
+  let defaultCode = props.defaultCode ?? "";
+  const [uncontrolledCode, setCode] = useState(defaultCode);
+  let code = props.code ?? uncontrolledCode;
 
-  let chartProps = { ...props, squiggleString: code };
+  let chartProps = { ...props, code };
   return (
     <SquiggleContainer>
-      <WrappedCodeEditor code={code} setCode={setCode} />
+      <WrappedCodeEditor
+        code={code}
+        setCode={(code) => {
+          if (props.onCodeChange) props.onCodeChange(code);
+
+          if (props.code === undefined) setCode(code);
+        }}
+      />
       <SquiggleChart {...chartProps} />
     </SquiggleContainer>
   );
 };
 
 export interface SquigglePartialProps {
-  /** The input string for squiggle */
-  squiggleString?: string;
+  /** The text inside the input (controlled) */
+  code?: string;
+  /** The default text inside the input (unControlled) */
+  defaultCode?: string;
   /** when the environment changes. Used again for notebook magic*/
   onChange?(expr: bindings | undefined): void;
+  /** When the code changes */
+  onCodeChange?(code: string): void;
   /** Previously declared variables */
   bindings?: bindings;
   /** If the output requires monte carlo sampling, the amount of samples */
@@ -52,17 +66,19 @@ export interface SquigglePartialProps {
 }
 
 export const SquigglePartial: React.FC<SquigglePartialProps> = ({
-  squiggleString = "",
+  code,
+  defaultCode = "",
   onChange,
+  onCodeChange,
   bindings = defaultBindings,
   environment,
   jsImports = defaultImports,
 }: SquigglePartialProps) => {
-  const [code, setCode] = useState(squiggleString);
-  React.useEffect(() => setCode(squiggleString), [squiggleString]);
+  const [uncontrolledCode, setCode] = useState(defaultCode);
+  let codeProp = code ?? uncontrolledCode;
 
   const result = useSquigglePartial({
-    code,
+    code: codeProp,
     bindings,
     environment,
     jsImports,
@@ -71,7 +87,14 @@ export const SquigglePartial: React.FC<SquigglePartialProps> = ({
 
   return (
     <SquiggleContainer>
-      <WrappedCodeEditor code={code} setCode={setCode} />
+      <WrappedCodeEditor
+        code={codeProp}
+        setCode={(code) => {
+          if (onCodeChange) onCodeChange(code);
+
+          if (code === undefined) setCode(code);
+        }}
+      />
       {result.tag !== "Ok" ? <SquiggleErrorAlert error={result.value} /> : null}
     </SquiggleContainer>
   );
diff --git a/packages/components/src/components/SquigglePlayground.tsx b/packages/components/src/components/SquigglePlayground.tsx
index ce59b5a4..e96a1053 100644
--- a/packages/components/src/components/SquigglePlayground.tsx
+++ b/packages/components/src/components/SquigglePlayground.tsx
@@ -22,7 +22,7 @@ import { SquiggleContainer } from "./SquiggleContainer";
 
 interface PlaygroundProps {
   /** The initial squiggle string to put in the playground */
-  initialSquiggleString?: string;
+  defaultCode?: string;
   /** How many pixels high is the playground */
   height?: number;
   /** Whether to show the types of outputs in the playground */
@@ -204,7 +204,7 @@ function Checkbox<T>({
 }
 
 export const SquigglePlayground: FC<PlaygroundProps> = ({
-  initialSquiggleString = "",
+  defaultCode = "",
   height = 500,
   showTypes = false,
   showControls = false,
@@ -216,9 +216,7 @@ export const SquigglePlayground: FC<PlaygroundProps> = ({
   onSettingsChange,
   showEditor = true,
 }) => {
-  const [uncontrolledCode, setUncontrolledCode] = useState(
-    initialSquiggleString
-  );
+  const [uncontrolledCode, setUncontrolledCode] = useState(defaultCode);
   const [importString, setImportString] = useState("{}");
   const [imports, setImports] = useState({});
   const [importsAreValid, setImportsAreValid] = useState(true);
@@ -417,7 +415,7 @@ export const SquigglePlayground: FC<PlaygroundProps> = ({
 
   const squiggleChart = (
     <SquiggleChart
-      squiggleString={code}
+      code={code}
       environment={env}
       diagramStart={Number(vars.diagramStart)}
       diagramStop={Number(vars.diagramStop)}
diff --git a/packages/components/src/stories/SquiggleChart.stories.mdx b/packages/components/src/stories/SquiggleChart.stories.mdx
index bce22c1c..2483c985 100644
--- a/packages/components/src/stories/SquiggleChart.stories.mdx
+++ b/packages/components/src/stories/SquiggleChart.stories.mdx
@@ -29,7 +29,7 @@ could be continuous, discrete or mixed.
   <Story
     name="Continuous Symbolic"
     args={{
-      squiggleString: "normal(5,2)",
+      code: "normal(5,2)",
       width,
     }}
   >
@@ -43,7 +43,7 @@ could be continuous, discrete or mixed.
   <Story
     name="Continuous Pointset"
     args={{
-      squiggleString: "toPointSet(normal(5,2))",
+      code: "toPointSet(normal(5,2))",
       width,
     }}
   >
@@ -57,7 +57,7 @@ could be continuous, discrete or mixed.
   <Story
     name="Continuous SampleSet"
     args={{
-      squiggleString: "toSampleSet(normal(5,2), 1000)",
+      code: "toSampleSet(normal(5,2), 1000)",
       width,
     }}
   >
@@ -71,7 +71,7 @@ could be continuous, discrete or mixed.
   <Story
     name="Discrete"
     args={{
-      squiggleString: "mx(0, 1, 3, 5, 8, 10, [0.1, 0.8, 0.5, 0.3, 0.2, 0.1])",
+      code: "mx(0, 1, 3, 5, 8, 10, [0.1, 0.8, 0.5, 0.3, 0.2, 0.1])",
       width,
     }}
   >
@@ -85,8 +85,7 @@ could be continuous, discrete or mixed.
   <Story
     name="Mixed"
     args={{
-      squiggleString:
-        "mx(0, 1, 3, 5, 8, normal(8, 1), [0.1, 0.3, 0.4, 0.35, 0.2, 0.8])",
+      code: "mx(0, 1, 3, 5, 8, normal(8, 1), [0.1, 0.3, 0.4, 0.35, 0.2, 0.8])",
       width,
     }}
   >
@@ -103,7 +102,7 @@ to allow large and small numbers being printed cleanly.
   <Story
     name="Constant"
     args={{
-      squiggleString: "500000000",
+      code: "500000000",
       width,
     }}
   >
@@ -117,7 +116,7 @@ to allow large and small numbers being printed cleanly.
   <Story
     name="Array"
     args={{
-      squiggleString: "[normal(5,2), normal(10,1), normal(40,2), 400000]",
+      code: "[normal(5,2), normal(10,1), normal(40,2), 400000]",
       width,
     }}
   >
@@ -131,7 +130,7 @@ to allow large and small numbers being printed cleanly.
   <Story
     name="Error"
     args={{
-      squiggleString: "f(x) = normal(",
+      code: "f(x) = normal(",
       width,
     }}
   >
@@ -145,7 +144,7 @@ to allow large and small numbers being printed cleanly.
   <Story
     name="Boolean"
     args={{
-      squiggleString: "3 == 3",
+      code: "3 == 3",
       width,
     }}
   >
@@ -159,7 +158,7 @@ to allow large and small numbers being printed cleanly.
   <Story
     name="Function to Distribution"
     args={{
-      squiggleString: "foo(t) = normal(t,2)*normal(5,3); foo",
+      code: "foo(t) = normal(t,2)*normal(5,3); foo",
       width,
     }}
   >
@@ -173,7 +172,7 @@ to allow large and small numbers being printed cleanly.
   <Story
     name="Function to Number"
     args={{
-      squiggleString: "foo(t) = t^2; foo",
+      code: "foo(t) = t^2; foo",
       width,
     }}
   >
@@ -187,7 +186,7 @@ to allow large and small numbers being printed cleanly.
   <Story
     name="Record"
     args={{
-      squiggleString: "{foo: 35 to 50, bar: [1,2,3]}",
+      code: "{foo: 35 to 50, bar: [1,2,3]}",
       width,
     }}
   >
@@ -201,7 +200,7 @@ to allow large and small numbers being printed cleanly.
   <Story
     name="String"
     args={{
-      squiggleString: '"Lucky day!"',
+      code: '"Lucky day!"',
       width,
     }}
   >
diff --git a/packages/components/src/stories/SquiggleEditor.stories.mdx b/packages/components/src/stories/SquiggleEditor.stories.mdx
index 7e8f7e66..e51e3e33 100644
--- a/packages/components/src/stories/SquiggleEditor.stories.mdx
+++ b/packages/components/src/stories/SquiggleEditor.stories.mdx
@@ -14,7 +14,7 @@ the distribution.
   <Story
     name="Normal"
     args={{
-      squiggleString: "normal(5,2)",
+      defaultCode: "normal(5,2)",
     }}
   >
     {Template.bind({})}
@@ -27,7 +27,7 @@ You can also name variables like so:
   <Story
     name="Variables"
     args={{
-      squiggleString: "x = 2\nnormal(x,2)",
+      defaultCode: "x = 2\nnormal(x,2)",
     }}
   >
     {Template.bind({})}
diff --git a/packages/components/src/stories/SquigglePartial.stories.mdx b/packages/components/src/stories/SquigglePartial.stories.mdx
index c4f4814a..3305586b 100644
--- a/packages/components/src/stories/SquigglePartial.stories.mdx
+++ b/packages/components/src/stories/SquigglePartial.stories.mdx
@@ -15,7 +15,7 @@ instead returns bindings that can be used by further Squiggle Editors.
   <Story
     name="Standalone"
     args={{
-      squiggleString: "x = normal(5,2)",
+      defaultCode: "x = normal(5,2)",
     }}
   >
     {Template.bind({})}
@@ -36,12 +36,12 @@ instead returns bindings that can be used by further Squiggle Editors.
         <>
           <SquigglePartial
             {...props}
-            squiggleString={props.initialPartialString}
+            defaultCode={props.initialPartialString}
             onChange={setBindings}
           />
           <SquiggleEditor
             {...props}
-            squiggleString={props.initialEditorString}
+            defaultCode={props.initialEditorString}
             bindings={bindings}
           />
         </>
diff --git a/packages/website/docs/Discussions/Bugs.mdx b/packages/website/docs/Discussions/Bugs.mdx
index 2c077eb0..db53a6f6 100644
--- a/packages/website/docs/Discussions/Bugs.mdx
+++ b/packages/website/docs/Discussions/Bugs.mdx
@@ -16,7 +16,7 @@ If you take the pointwise mixture of two distributions with very different means
 In the following case, the mean of the mixture should be equal to the sum of the means of the parts. These are shown as the first two displayed variables. These variables diverge as the underlying distributions change.
 
 <SquiggleEditor
-  squiggleString={`dist1 = {value: normal(1,1), weight: 1}
+  defaultCode={`dist1 = {value: normal(1,1), weight: 1}
 dist2 = {value: normal(100000000000,1), weight: 1}
 totalWeight = dist1.weight + dist2.weight
 distMixture = mixture(dist1.value, dist2.value, [dist1.weight, dist2.weight])
@@ -30,7 +30,7 @@ separateMeansCombined = (mean(dist1.value) * (dist1.weight) +  mean(dist2.value)
 The means of sample set distributions can vary dramatically, especially as the numbers get high.
 
 <SquiggleEditor
-  squiggleString={`symbolicDist = 5 to 50333333
+  defaultCode={`symbolicDist = 5 to 50333333
 sampleSetDist = toSampleSet(symbolicDist)
 [mean(symbolicDist), mean(sampleSetDist), symbolicDist, sampleSetDist]`}
 />
diff --git a/packages/website/docs/Guides/DistributionCreation.mdx b/packages/website/docs/Guides/DistributionCreation.mdx
index 8ca22294..7ef80d0a 100644
--- a/packages/website/docs/Guides/DistributionCreation.mdx
+++ b/packages/website/docs/Guides/DistributionCreation.mdx
@@ -22,22 +22,22 @@ If both values are above zero, a `lognormal` distribution is used. If not, a `no
     When <code>5 to 10</code> is entered, both numbers are positive, so it
     generates a lognormal distribution with 5th and 95th percentiles at 5 and
     10.
-    <SquiggleEditor squiggleString="5 to 10" />
+    <SquiggleEditor defaultCode="5 to 10" />
   </TabItem>
   <TabItem value="ex3" label="to(5,10)">
     <code>5 to 10</code> does the same thing as <code>to(5,10)</code>.
-    <SquiggleEditor squiggleString="to(5,10)" />
+    <SquiggleEditor defaultCode="to(5,10)" />
   </TabItem>
   <TabItem value="ex2" label="-5 to 5">
     When <code>-5 to 5</code> is entered, there's negative values, so it
     generates a normal distribution. This has 5th and 95th percentiles at 5 and
     10.
-    <SquiggleEditor squiggleString="-5 to -3" />
+    <SquiggleEditor defaultCode="-5 to -3" />
   </TabItem>
   <TabItem value="ex4" label="1 to 10000">
     It's very easy to generate distributions with very long tails. If this
     happens, you can click the "log x scale" box to view this using a log scale.
-    <SquiggleEditor squiggleString="1 to 10000" />
+    <SquiggleEditor defaultCode="1 to 10000" />
   </TabItem>
 </Tabs>
 
@@ -76,16 +76,16 @@ The `mixture` mixes combines multiple distributions to create a mixture. You can
 
 <Tabs>
   <TabItem value="ex1" label="Simple" default>
-    <SquiggleEditor squiggleString="mixture(1 to 2, 5 to 8, 9 to 10)" />
+    <SquiggleEditor defaultCode="mixture(1 to 2, 5 to 8, 9 to 10)" />
   </TabItem>
   <TabItem value="ex2" label="With Weights">
-    <SquiggleEditor squiggleString="mixture(1 to 2, 5 to 8, 9 to 10, [0.1, 0.1, 0.8])" />
+    <SquiggleEditor defaultCode="mixture(1 to 2, 5 to 8, 9 to 10, [0.1, 0.1, 0.8])" />
   </TabItem>
   <TabItem value="ex3" label="With Continuous and Discrete Inputs">
-    <SquiggleEditor squiggleString="mixture(1 to 5, 8 to 10, 1, 3, 20)" />
+    <SquiggleEditor defaultCode="mixture(1 to 5, 8 to 10, 1, 3, 20)" />
   </TabItem>
   <TabItem value="ex4" label="Array of Distributions Input">
-    <SquiggleEditor squiggleString="mx([1 to 2, exponential(1)], [1,1])" />
+    <SquiggleEditor defaultCode="mx([1 to 2, exponential(1)], [1,1])" />
   </TabItem>
 </Tabs>
 
@@ -111,7 +111,7 @@ The `mixture` mixes combines multiple distributions to create a mixture. You can
     In this case, I have a 20% chance of spending 0 time with it. I might estimate my hours with,
   </p>
   <SquiggleEditor
-    squiggleString={`hours_the_project_will_take = 5 to 20
+    defaultCode={`hours_the_project_will_take = 5 to 20
 chance_of_doing_anything = 0.8
 mx(hours_the_project_will_take, 0, [chance_of_doing_anything, 1 - chance_of_doing_anything])`}
   />
@@ -125,7 +125,7 @@ mx(hours_the_project_will_take, 0, [chance_of_doing_anything, 1 - chance_of_doin
   very wide, just in case they were dramatically off for some weird reason.
   </p>
 <SquiggleEditor
-  squiggleString={`forecast = 3 to 30
+  defaultCode={`forecast = 3 to 30
 chance_completely_wrong = 0.05
 forecast_if_completely_wrong = -100 to 200
 mx(forecast, forecast_if_completely_wrong, [1-chance_completely_wrong, chance_completely_wrong])`}
@@ -141,10 +141,10 @@ Creates a [normal distribution](https://en.wikipedia.org/wiki/Normal_distributio
 
 <Tabs>
   <TabItem value="ex1" label="normal(5,1)" default>
-    <SquiggleEditor squiggleString="normal(5, 1)" />
+    <SquiggleEditor defaultCode="normal(5, 1)" />
   </TabItem>
   <TabItem value="ex2" label="normal(100000000000, 100000000000)">
-    <SquiggleEditor squiggleString="normal(100000000000, 100000000000)" />
+    <SquiggleEditor defaultCode="normal(100000000000, 100000000000)" />
   </TabItem>
 </Tabs>
 
@@ -165,7 +165,7 @@ Creates a [log-normal distribution](https://en.wikipedia.org/wiki/Log-normal_dis
 you take the log of our lognormal distribution. They can be difficult to directly reason about.
 Because of this complexity, we recommend typically using the <a href="#to">to</a> syntax instead of estimating `mu` and `sigma` directly.
 
-<SquiggleEditor squiggleString="lognormal(0, 0.7)" />
+<SquiggleEditor defaultCode="lognormal(0, 0.7)" />
 
 ### Arguments
 
@@ -185,7 +185,7 @@ Because of this complexity, we recommend typically using the <a href="#to">to</a
     are identical:
   </p>
   <SquiggleEditor
-    squiggleString={`normalMean = 10
+    defaultCode={`normalMean = 10
 normalStdDev = 2
 logOfLognormal = log(lognormal(normalMean, normalStdDev))
 [logOfLognormal, normal(normalMean, normalStdDev)]`}
@@ -198,7 +198,7 @@ logOfLognormal = log(lognormal(normalMean, normalStdDev))
 
 Creates a [uniform distribution](<https://en.wikipedia.org/wiki/Uniform_distribution_(continuous)>) with the given low and high values.
 
-<SquiggleEditor squiggleString="uniform(3,7)" />
+<SquiggleEditor defaultCode="uniform(3,7)" />
 
 ### Arguments
 
@@ -236,19 +236,19 @@ with values at 1 and 2. Therefore, this is the same as `mixture(pointMass(1),poi
 
 <Tabs>
   <TabItem value="ex1" label="pointMass(3)" default>
-    <SquiggleEditor squiggleString="pointMass(3)" />
+    <SquiggleEditor defaultCode="pointMass(3)" />
   </TabItem>
   <TabItem value="ex3" label="mixture(1,3,5)">
-    <SquiggleEditor squiggleString="mixture(1,3,5)" />
+    <SquiggleEditor defaultCode="mixture(1,3,5)" />
   </TabItem>
   <TabItem value="ex2" label="normal(5,2) * 6">
-    <SquiggleEditor squiggleString="normal(5,2) * 6" />
+    <SquiggleEditor defaultCode="normal(5,2) * 6" />
   </TabItem>
   <TabItem value="ex4" label="dotAdd(normal(5,2), 6)">
-    <SquiggleEditor squiggleString="dotAdd(normal(5,2), 6)" />
+    <SquiggleEditor defaultCode="dotAdd(normal(5,2), 6)" />
   </TabItem>
   <TabItem value="ex5" label="dotMultiply(normal(5,2), 6)">
-    <SquiggleEditor squiggleString="dotMultiply(normal(5,2), 6)" />
+    <SquiggleEditor defaultCode="dotMultiply(normal(5,2), 6)" />
   </TabItem>
 </Tabs>
 
@@ -264,19 +264,19 @@ Creates a [beta distribution](https://en.wikipedia.org/wiki/Beta_distribution) w
 
 <Tabs>
   <TabItem value="ex1" label="beta(10, 20)" default>
-    <SquiggleEditor squiggleString="beta(10,20)" />
+    <SquiggleEditor defaultCode="beta(10,20)" />
   </TabItem>
   <TabItem value="ex2" label="beta(1000, 1000)">
-    <SquiggleEditor squiggleString="beta(1000, 2000)" />
+    <SquiggleEditor defaultCode="beta(1000, 2000)" />
   </TabItem>
   <TabItem value="ex3" label="beta(1, 10)">
-    <SquiggleEditor squiggleString="beta(1, 10)" />
+    <SquiggleEditor defaultCode="beta(1, 10)" />
   </TabItem>
   <TabItem value="ex4" label="beta(10, 1)">
-    <SquiggleEditor squiggleString="beta(10, 1)" />
+    <SquiggleEditor defaultCode="beta(10, 1)" />
   </TabItem>
   <TabItem value="ex5" label="beta(0.8, 0.8)">
-    <SquiggleEditor squiggleString="beta(0.8, 0.8)" />
+    <SquiggleEditor defaultCode="beta(0.8, 0.8)" />
   </TabItem>
 </Tabs>
 
@@ -295,16 +295,16 @@ Creates a [beta distribution](https://en.wikipedia.org/wiki/Beta_distribution) w
     <summary>Examples</summary>
     <Tabs>
       <TabItem value="ex1" label="beta(0.3, 0.3)" default>
-        <SquiggleEditor squiggleString="beta(0.3, 0.3)" />
+        <SquiggleEditor defaultCode="beta(0.3, 0.3)" />
       </TabItem>
       <TabItem value="ex2" label="beta(0.5, 0.5)">
-        <SquiggleEditor squiggleString="beta(0.5, 0.5)" />
+        <SquiggleEditor defaultCode="beta(0.5, 0.5)" />
       </TabItem>
       <TabItem value="ex3" label="beta(0.8, 0.8)">
-        <SquiggleEditor squiggleString="beta(.8,.8)" />
+        <SquiggleEditor defaultCode="beta(.8,.8)" />
       </TabItem>
       <TabItem value="ex4" label="beta(0.9, 0.9)">
-        <SquiggleEditor squiggleString="beta(.9,.9)" />
+        <SquiggleEditor defaultCode="beta(.9,.9)" />
       </TabItem>
     </Tabs>
   </details>
@@ -316,7 +316,7 @@ Creates a [beta distribution](https://en.wikipedia.org/wiki/Beta_distribution) w
 
 Creates an [exponential distribution](https://en.wikipedia.org/wiki/Exponential_distribution) with the given rate.
 
-<SquiggleEditor squiggleString="exponential(4)" />
+<SquiggleEditor defaultCode="exponential(4)" />
 
 ### Arguments
 
@@ -334,7 +334,7 @@ Creates a [triangular distribution](https://en.wikipedia.org/wiki/Triangular_dis
 - `mode`: Number greater than `low`
 - `high`: Number greater than `mode`
 
-<SquiggleEditor squiggleString="triangular(1, 2, 4)" />
+<SquiggleEditor defaultCode="triangular(1, 2, 4)" />
 
 ## FromSamples
 
@@ -342,7 +342,7 @@ Creates a [triangular distribution](https://en.wikipedia.org/wiki/Triangular_dis
 
 Creates a sample set distribution using an array of samples.
 
-<SquiggleEditor squiggleString="fromSamples([1,2,3,4,6,5,5,5])" />
+<SquiggleEditor defaultCode="fromSamples([1,2,3,4,6,5,5,5])" />
 
 ### Arguments
 
diff --git a/packages/website/docs/Guides/Functions.mdx b/packages/website/docs/Guides/Functions.mdx
index a58df345..a428ac7c 100644
--- a/packages/website/docs/Guides/Functions.mdx
+++ b/packages/website/docs/Guides/Functions.mdx
@@ -16,7 +16,7 @@ the value of one random sample chosen from the first distribution and the value
 chosen from the second distribution.
 
 <SquiggleEditor
-  squiggleString={`dist1 = 1 to 10
+  defaultCode={`dist1 = 1 to 10
 dist2 = triangular(1,2,3)
 dist1 + dist2`}
 />
@@ -28,7 +28,7 @@ the distribution of the value of one random sample chosen from the first distrib
 the value of one random sample chosen from the second distribution.
 
 <SquiggleEditor
-  squiggleString={`dist1 = 1 to 10
+  defaultCode={`dist1 = 1 to 10
 dist2 = triangular(1,2,3)
 dist1 - dist2`}
 />
@@ -40,14 +40,14 @@ the value of one random sample chosen from the first distribution times the valu
 chosen from the second distribution.
 
 <SquiggleEditor
-  squiggleString={`dist1 = 1 to 10
+  defaultCode={`dist1 = 1 to 10
 dist2 = triangular(1,2,3)
 dist1 * dist2`}
 />
 
 We also provide concatenation of two distributions as a syntax sugar for `*`
 
-<SquiggleEditor squiggleString="(0.1 to 1) triangular(1,2,3)" />
+<SquiggleEditor defaultCode="(0.1 to 1) triangular(1,2,3)" />
 
 ### Division
 
@@ -58,7 +58,7 @@ chosen from the second distribution. If the second distribution has some values
 tends to be particularly unstable.
 
 <SquiggleEditor
-  squiggleString={`dist1 = 1 to 10
+  defaultCode={`dist1 = 1 to 10
 dist2 = triangular(1,2,3)
 dist1 / dist2`}
 />
@@ -69,12 +69,12 @@ A projection over a contracted x-axis. The exponentiation operation represents t
 the exponentiation of the value of one random sample chosen from the first distribution to the power of
 the value one random sample chosen from the second distribution.
 
-<SquiggleEditor squiggleString={`(0.1 to 1) ^ beta(2, 3)`} />
+<SquiggleEditor defaultCode={`(0.1 to 1) ^ beta(2, 3)`} />
 
 ### Taking the base `e` exponential
 
 <SquiggleEditor
-  squiggleString={`dist = triangular(1,2,3)
+  defaultCode={`dist = triangular(1,2,3)
 exp(dist)`}
 />
 
@@ -83,19 +83,19 @@ exp(dist)`}
 A projection over a stretched x-axis.
 
 <SquiggleEditor
-  squiggleString={`dist = triangular(1,2,3)
+  defaultCode={`dist = triangular(1,2,3)
 log(dist)`}
 />
 
 <SquiggleEditor
-  squiggleString={`dist = beta(1,2)
+  defaultCode={`dist = beta(1,2)
 log10(dist)`}
 />
 
 Base `x`
 
 <SquiggleEditor
-  squiggleString={`x = 2
+  defaultCode={`x = 2
 dist = beta(2,3)
 log(dist, x)`}
 />
@@ -114,7 +114,7 @@ For every point on the x-axis, operate the corresponding points in the y axis of
 TODO: this isn't in the new interpreter/parser yet.
 
 <SquiggleEditor
-  squiggleString={`dist1 = 1 to 10
+  defaultCode={`dist1 = 1 to 10
 dist2 = triangular(1,2,3)
 dist1 .+ dist2`}
 />
@@ -124,7 +124,7 @@ dist1 .+ dist2`}
 TODO: this isn't in the new interpreter/parser yet.
 
 <SquiggleEditor
-  squiggleString={`dist1 = 1 to 10
+  defaultCode={`dist1 = 1 to 10
 dist2 = triangular(1,2,3)
 dist1 .- dist2`}
 />
@@ -132,7 +132,7 @@ dist1 .- dist2`}
 ### Pointwise multiplication
 
 <SquiggleEditor
-  squiggleString={`dist1 = 1 to 10
+  defaultCode={`dist1 = 1 to 10
 dist2 = triangular(1,2,3)
 dist1 .* dist2`}
 />
@@ -140,7 +140,7 @@ dist1 .* dist2`}
 ### Pointwise division
 
 <SquiggleEditor
-  squiggleString={`dist1 = uniform(0,20)
+  defaultCode={`dist1 = uniform(0,20)
 dist2 = normal(10,8)
 dist1 ./ dist2`}
 />
@@ -148,7 +148,7 @@ dist1 ./ dist2`}
 ### Pointwise exponentiation
 
 <SquiggleEditor
-  squiggleString={`dist1 = 1 to 10
+  defaultCode={`dist1 = 1 to 10
 dist2 = triangular(1,2,3)
 dist1 .^ dist2`}
 />
@@ -160,7 +160,7 @@ dist1 .^ dist2`}
 The `pdf(dist, x)` function returns the density of a distribution at the
 given point x.
 
-<SquiggleEditor squiggleString="pdf(normal(0,1),0)" />
+<SquiggleEditor defaultCode="pdf(normal(0,1),0)" />
 
 #### Validity
 
@@ -172,7 +172,7 @@ given point x.
 The `cdf(dist, x)` gives the cumulative probability of the distribution
 or all values lower than x. It is the inverse of `quantile`.
 
-<SquiggleEditor squiggleString="cdf(normal(0,1),0)" />
+<SquiggleEditor defaultCode="cdf(normal(0,1),0)" />
 
 #### Validity
 
@@ -185,7 +185,7 @@ The `quantile(dist, prob)` gives the value x or which the probability for all va
 lower than x is equal to prob. It is the inverse of `cdf`. In the literature, it
 is also known as the quantiles function.
 
-<SquiggleEditor squiggleString="quantile(normal(0,1),0.5)" />
+<SquiggleEditor defaultCode="quantile(normal(0,1),0.5)" />
 
 #### Validity
 
@@ -196,29 +196,29 @@ is also known as the quantiles function.
 
 The `mean(distribution)` function gives the mean (expected value) of a distribution.
 
-<SquiggleEditor squiggleString="mean(normal(5, 10))" />
+<SquiggleEditor defaultCode="mean(normal(5, 10))" />
 
 ### Sampling a distribution
 
 The `sample(distribution)` samples a given distribution.
 
-<SquiggleEditor squiggleString="sample(normal(0, 10))" />
+<SquiggleEditor defaultCode="sample(normal(0, 10))" />
 
 ## Converting between distribution formats
 
 Recall the [three formats of distributions](https://develop--squiggle-documentation.netlify.app/docs/Discussions/Three-Types-Of-Distributions). We can force any distribution into `SampleSet` format
 
-<SquiggleEditor squiggleString="toSampleSet(normal(5, 10))" />
+<SquiggleEditor defaultCode="toSampleSet(normal(5, 10))" />
 
 Or `PointSet` format
 
-<SquiggleEditor squiggleString="toPointSet(normal(5, 10))" />
+<SquiggleEditor defaultCode="toPointSet(normal(5, 10))" />
 
 ### `toSampleSet` has two signatures
 
 Above, we saw the unary `toSampleSet`, which uses an internal hardcoded number of samples. If you'd like to provide the number of samples, it has a binary signature as well (floored)
 
-<SquiggleEditor squiggleString="[toSampleSet(0.1 to 1, 100.1), toSampleSet(0.1 to 1, 5000), toSampleSet(0.1 to 1, 20000)]" />
+<SquiggleEditor defaultCode="[toSampleSet(0.1 to 1, 100.1), toSampleSet(0.1 to 1, 5000), toSampleSet(0.1 to 1, 20000)]" />
 
 #### Validity
 
@@ -230,13 +230,13 @@ Some distribution operations (like horizontal shift) return an unnormalized dist
 
 We provide a `normalize` function
 
-<SquiggleEditor squiggleString="normalize((0.1 to 1) + triangular(0.1, 1, 10))" />
+<SquiggleEditor defaultCode="normalize((0.1 to 1) + triangular(0.1, 1, 10))" />
 
 #### Validity - Input to `normalize` must be a dist
 
 We provide a predicate `isNormalized`, for when we have simple control flow
 
-<SquiggleEditor squiggleString="isNormalized((0.1 to 1) * triangular(0.1, 1, 10))" />
+<SquiggleEditor defaultCode="isNormalized((0.1 to 1) * triangular(0.1, 1, 10))" />
 
 #### Validity
 
@@ -246,7 +246,7 @@ We provide a predicate `isNormalized`, for when we have simple control flow
 
 You may like to debug by right clicking your browser and using the _inspect_ functionality on the webpage, and viewing the _console_ tab. Then, wrap your squiggle output with `inspect` to log an internal representation.
 
-<SquiggleEditor squiggleString="inspect(toSampleSet(0.1 to 1, 100))" />
+<SquiggleEditor defaultCode="inspect(toSampleSet(0.1 to 1, 100))" />
 
 Save for a logging side effect, `inspect` does nothing to input and returns it.
 
@@ -254,12 +254,12 @@ Save for a logging side effect, `inspect` does nothing to input and returns it.
 
 You can cut off from the left
 
-<SquiggleEditor squiggleString="truncateLeft(0.1 to 1, 0.5)" />
+<SquiggleEditor defaultCode="truncateLeft(0.1 to 1, 0.5)" />
 
 You can cut off from the right
 
-<SquiggleEditor squiggleString="truncateRight(0.1 to 1, 0.5)" />
+<SquiggleEditor defaultCode="truncateRight(0.1 to 1, 0.5)" />
 
 You can cut off from both sides
 
-<SquiggleEditor squiggleString="truncate(0.1 to 1, 0.5, 1.5)" />
+<SquiggleEditor defaultCode="truncate(0.1 to 1, 0.5, 1.5)" />
diff --git a/packages/website/docs/Guides/Language.mdx b/packages/website/docs/Guides/Language.mdx
index bdc58e41..2f26cdd6 100644
--- a/packages/website/docs/Guides/Language.mdx
+++ b/packages/website/docs/Guides/Language.mdx
@@ -9,22 +9,22 @@ import { SquiggleEditor } from "../../src/components/SquiggleEditor";
 
 ### Distributions
 
-<SquiggleEditor squiggleString={`mixture(1 to 2, 3, [0.3, 0.7])`} />
+<SquiggleEditor defaultCode={`mixture(1 to 2, 3, [0.3, 0.7])`} />
 
 ### Numbers
 
-<SquiggleEditor squiggleString="4.32" />
+<SquiggleEditor defaultCode="4.32" />
 
 ### Arrays
 
 <SquiggleEditor
-  squiggleString={`[beta(1,10), 4, isNormalized(toSampleSet(1 to 2))]`}
+  defaultCode={`[beta(1,10), 4, isNormalized(toSampleSet(1 to 2))]`}
 />
 
 ### Records
 
 <SquiggleEditor
-  squiggleString={`d = {dist: triangular(0, 1, 2), weight: 0.25}
+  defaultCode={`d = {dist: triangular(0, 1, 2), weight: 0.25}
 d.dist`}
 />
 
@@ -33,7 +33,7 @@ d.dist`}
 A statement assigns expressions to names. It looks like `<symbol> = <expression>`
 
 <SquiggleEditor
-  squiggleString={`value_of_work = 10 to 70
+  defaultCode={`value_of_work = 10 to 70
 5 + value_of_work / 75`}
 />
 
@@ -42,7 +42,7 @@ A statement assigns expressions to names. It looks like `<symbol> = <expression>
 We can define functions
 
 <SquiggleEditor
-  squiggleString={`ozzie_estimate(t) = lognormal(t^(1.1), 0.5)
+  defaultCode={`ozzie_estimate(t) = lognormal(t^(1.1), 0.5)
 nuno_estimate(t, m) = mixture(normal(-5, 1), lognormal(m, t / 1.25))
 ozzie_estimate(1) * nuno_estimate(1, 1)`}
 />
diff --git a/packages/website/src/pages/playground.js b/packages/website/src/pages/playground.js
index 48a2c90d..70904eba 100644
--- a/packages/website/src/pages/playground.js
+++ b/packages/website/src/pages/playground.js
@@ -37,7 +37,7 @@ function setHashData(data) {
 
 export default function PlaygroundPage() {
   const playgroundProps = {
-    initialSquiggleString: "normal(0,1)",
+    defaultCode: "normal(0,1)",
     height: 700,
     showTypes: true,
     ...getHashData(),