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1, what is arguments
Arguments is a built-in object in JavaScript, it's quirky and often overlooked, but it's really important. All the major JS libraries use the arguments object. So agruments objects must be familiar to JavaScript programmers. In
http://shengren-wang.iteye.com/blog/1343256function of JavaScriptProperty:1. Arguments Object2, callerA reference to the function that invokes the pre-order functions, if it is a top-level code call,Returns null (Firefox returns undefined).Note:
JS and PHP in the function of a bit different, php-shaped participation in the number of arguments to match, and JS flexible, can be arbitrarily transmitted parameters, the actual parameter is less than formal parameters or more will not error. More
In the JavaScript function body, the identifier arguments has a special meaning. It is a special property of the calling object that is used to refer to the arguments object. Arugments objects are like arrays, note that this is just like not ha.In
ObjectiveRecently in the reading JavaScript related knowledge point, saw a foreigner of a JavaScript for WEB developers, encountered a knowledge blind spot, feel that the foreigner writes very clearly very thorough, the record to deepen the
JavaScript provides application and call two invocation methods to determine the direction of this in the function body, which is characterized by the way in which objects can ' borrow ' other objects.Some of the previous blogs reviewed some of the
We are looking for ways to tune JavaScript so that we can do some real functional programming. To do this, it is necessary to fully understand function calls and function prototypes. We are looking for ways to tune JavaScript so that we can do some
Objective:The function is divided into a parameter with a return value, a parameter has no return value, no parameter has no return value, and no parameter has a return value; So what about the function you want to use without parameters? What if
JS and PHP in the function of the reference is a little different, php-shaped participation in the number of arguments to match, and JS more flexible, you can pass the parameters, the actual parameters than the formal parameters or more will not be
http://blog.csdn.net/pipisorry/article/details/39123103Creation of Functions
What happens when we define a function in Python.
The keyword DEF has two functions: it creates a function object and assigns the function object to a variable (that is,
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