modernizr/feature-detects/es5/strictmode.js

Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser.

/*!
{
  "name": "ES5 Strict Mode",
  "property": "strictmode",
  "caniuse": "sctrict-mode",
  "notes": [{
    "name": "ECMAScript 5.1 Language Specification",
    "href": "http://www.ecma-international.org/ecma-262/5.1/"
  }],
  "authors": ["@kangax"],
  "tags": ["es5"]
}
!*/
/* DOC

Check if browser implements ECMAScript 5 Object strict mode.

*/
define(['Modernizr'], function( Modernizr ) {
  Modernizr.addTest('strictmode', (function(){ "use strict"; return !this; })());
});