# Set Support > Detect native [`Set`][mdn-set] support.
## Usage ```javascript var hasSetSupport = require( '@stdlib/assert/has-set-support' ); ``` #### hasSetSupport() Detects if a runtime environment supports ES2015 [`Set`][mdn-set]. ```javascript var bool = hasSetSupport(); // returns ```
## Examples ```javascript var hasSetSupport = require( '@stdlib/assert/has-set-support' ); var bool = hasSetSupport(); if ( bool ) { console.log( 'Environment has Set support.' ); } else { console.log( 'Environment lacks Set support.' ); } ```
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## CLI
### Usage ```text Usage: has-set-support [options] Options: -h, --help Print this message. -V, --version Print the package version. ```
### Examples ```bash $ has-set-support ```