TypeScript/tests/cases/compiler/jsFileCompilationRestParamJsDocFunction.ts
2016-04-20 11:48:28 -07:00

27 lines
860 B
TypeScript

// @allowJs: true
// @out: apply.js
// @module: amd
// @filename: _apply.js
/**
* A faster alternative to `Function#apply`, this function invokes `func`
* with the `this` binding of `thisArg` and the arguments of `args`.
*
* @private
* @param {Function} func The function to invoke.
* @param {*} thisArg The `this` binding of `func`.
* @param {...*} args The arguments to invoke `func` with.
* @returns {*} Returns the result of `func`.
*/
function apply(func, thisArg, args) {
var length = args.length;
switch (length) {
case 0: return func.call(thisArg);
case 1: return func.call(thisArg, args[0]);
case 2: return func.call(thisArg, args[0], args[1]);
case 3: return func.call(thisArg, args[0], args[1], args[2]);
}
return func.apply(thisArg, args);
}
export default apply;