Deprecated
This feature has been removed from the Web standards. Though some browsers may still support it, it is in the process of being dropped. Do not use it in old or new projects. Pages or Web apps using it may break at any time.
Summary
The function.arguments
property refers to an an array-like object corresponding to the arguments passed to a function. Use the simple variable arguments
instead.
Description
The syntax function.arguments
is deprecated. The recommended way to access the arguments
object available within functions is simply to refer to the variable arguments
.
In the case of recursion, i.e. if function f
appears several times on the call stack, the value of f.arguments
represents the arguments corresponding to the most recent invocation of the function.
Examples
function f(n) { g(n - 1); } function g(n) { console.log('before: ' + g.arguments[0]); if (n > 0) { f(n); } console.log('after: ' + g.arguments[0]); } f(2); // Output // before: 1 // before: 0 // after: 0 // after: 1
Specifications
Specification | Status | Comment |
---|---|---|
ECMAScript 1st Edition. | Standard | Initial definition. Implemented in JavaScript 1.0. Deprecated in favor of arguments . |
ECMAScript 5.1 (ECMA-262) The definition of 'arguments object' in that specification. |
Standard | arguments object |
ECMAScript 6 (ECMA-262) The definition of 'arguments object' in that specification. |
Draft | arguments object |
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |
Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |