welsonjs/node_modules/modernizr/feature-detects/es6/number.js

29 lines
887 B
JavaScript

/*!
{
"name": "ES6 Number",
"property": "es6number",
"notes": [{
"name": "unofficial ECMAScript 6 draft specification",
"href": "https://web.archive.org/web/20180825202128/https://tc39.github.io/ecma262/"
}],
"polyfills": ["es6shim"],
"authors": ["Ron Waldon (@jokeyrhyme)"],
"warnings": ["ECMAScript 6 is still a only a draft, so this detect may not match the final specification or implementations."],
"tags": ["es6"]
}
!*/
/* DOC
Check if browser implements ECMAScript 6 Number per specification.
*/
define(['Modernizr'], function(Modernizr) {
Modernizr.addTest('es6number', !!(Number.isFinite &&
Number.isInteger &&
Number.isSafeInteger &&
Number.isNaN &&
Number.parseInt &&
Number.parseFloat &&
Number.isInteger(Number.MAX_SAFE_INTEGER) &&
Number.isInteger(Number.MIN_SAFE_INTEGER) &&
Number.isFinite(Number.EPSILON)));
});