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The arguments object is an Array-like object accessible inside functions that contains the values of the arguments passed to that function. For example, let's see how to use arguments object inside sum function,
javascript
1function sum() {
2 var total = 0;
3 for (var i = 0, len = arguments.length; i < len; ++i) {
4 total += arguments[i];
5 }
6 return total;
7 }
8
9sum(1, 2, 3); // returns 6Note: You can't apply array methods on arguments object. But you can convert into a regular array as below.
javascript
1var argsArray = Array.prototype.slice.call(arguments);Advertisement
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