100 lines
1.9 KiB
Markdown
100 lines
1.9 KiB
Markdown
|
<!--
|
||
|
|
|
||
|
|
@license Apache-2.0
|
||
|
|
|
||
|
|
Copyright (c) 2018 The Stdlib Authors.
|
||
|
|
|
||
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
you may not use this file except in compliance with the License.
|
||
|
|
You may obtain a copy of the License at
|
||
|
|
|
||
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
|
||
|
|
Unless required by applicable law or agreed to in writing, software
|
||
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
See the License for the specific language governing permissions and
|
||
|
|
limitations under the License.
|
||
|
|
|
||
|
|
-->
|
||
|
|
|
||
|
|
# propertiesIn
|
||
|
|
|
||
|
|
> Return an array of an object's own and inherited property names and [symbols][@stdlib/symbol/ctor].
|
||
|
|
|
||
|
|
<section class="usage">
|
||
|
|
|
||
|
|
## Usage
|
||
|
|
|
||
|
|
```javascript
|
||
|
|
var propertiesIn = require( '@stdlib/utils/properties-in' );
|
||
|
|
```
|
||
|
|
|
||
|
|
#### propertiesIn( obj )
|
||
|
|
|
||
|
|
Returns an `array` of an object's own and inherited property names and [symbols][@stdlib/symbol/ctor].
|
||
|
|
|
||
|
|
```javascript
|
||
|
|
var props = propertiesIn( [] );
|
||
|
|
// returns [...]
|
||
|
|
```
|
||
|
|
|
||
|
|
</section>
|
||
|
|
|
||
|
|
<!-- /.usage -->
|
||
|
|
|
||
|
|
<section class="notes">
|
||
|
|
|
||
|
|
</section>
|
||
|
|
|
||
|
|
<!-- /.notes -->
|
||
|
|
|
||
|
|
<section class="examples">
|
||
|
|
|
||
|
|
## Examples
|
||
|
|
|
||
|
|
<!-- eslint no-undef: "error" -->
|
||
|
|
|
||
|
|
```javascript
|
||
|
|
var hasSymbolSupport = require( '@stdlib/assert/has-symbol-support' );
|
||
|
|
var Symbol = require( '@stdlib/symbol/ctor' );
|
||
|
|
var propertiesIn = require( '@stdlib/utils/properties-in' );
|
||
|
|
|
||
|
|
var hasSymbols;
|
||
|
|
var props;
|
||
|
|
var obj;
|
||
|
|
|
||
|
|
hasSymbols = hasSymbolSupport();
|
||
|
|
|
||
|
|
function Foo() {
|
||
|
|
this.a = 'b';
|
||
|
|
if ( hasSymbols ) {
|
||
|
|
this[ Symbol( 'a' ) ] = 'b';
|
||
|
|
}
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
|
||
|
|
Foo.prototype.foo = 'bar';
|
||
|
|
if ( hasSymbols ) {
|
||
|
|
Foo.prototype[ Symbol( 'foo' ) ] = 'bar';
|
||
|
|
}
|
||
|
|
|
||
|
|
obj = new Foo();
|
||
|
|
props = propertiesIn( obj );
|
||
|
|
|
||
|
|
console.log( props );
|
||
|
|
// e.g., => [ 'a', 'foo', ... ]
|
||
|
|
```
|
||
|
|
|
||
|
|
</section>
|
||
|
|
|
||
|
|
<!-- /.examples -->
|
||
|
|
|
||
|
|
<section class="links">
|
||
|
|
|
||
|
|
[@stdlib/symbol/ctor]: https://www.npmjs.com/package/@stdlib/symbol-ctor
|
||
|
|
|
||
|
|
</section>
|
||
|
|
|
||
|
|
<!-- /.links -->
|