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Forked from branneman/call-apply-bind-proxy.js
Created July 11, 2016 03:08
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JavaScript call() vs apply() vs bind() vs $.proxy()
var fn = function(arg1, arg2) {
var str = '<p>aap ' + this.noot + ' ' + arg1 + ' ' + arg2 + '</p>';
document.body.innerHTML += str;
};
var context = {
'noot': 'noot'
};
var args = ['mies', 'wim'];
// Calls a function with a given 'this' value and arguments provided individually.
// Support: everywhere
fn.call(context, args[0], args[1]);
// Calls a function with a given 'this' value and arguments provided as an array
// (or an array like object).
// Support: everywhere
fn.apply(context, args);
// Creates a new function that, when called, has its 'this' keyword set to the
// provided value, with a given sequence of arguments preceding any provided
// when the new function was called.
// Support: ECMAScript >= 5 (thus >= IE9)
var boundFn1 = fn.bind(context, args[0], args[1]);
boundFn1();
// Same as bind()
// Support: same as your jQuery version, available since 1.4
var boundFn2 = $.proxy(fn, context, args[0], args[1]);
boundFn2();
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