Address: http://www.archlinuxchina.com/forum/thread-59-1-1.html
Welcome to the Web technology exchange group: 220851151
Before talking about the above concepts, we should first talk about the implicit parameters of functions in
In JavaScript Functions, the identifier arguments has a special meaning. It is a special attribute of the called object and is used to reference the arguments object. The arugments object is like an array. Note that it is just like it is not.
In
The JavaScript -- Item11 arguments object you don't know1. What is arguments?
Arguments is a built-in object in JavaScript. It is odd and often overlooked, but it is actually very important. All major js function libraries use the arguments object.
Learn about the arguments object of javascript. For more information, see
1. What is arguments?
Arguments is a built-in object in JavaScript. It is odd and often overlooked, but it is actually very important. All major js function libraries use the
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
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
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
1) Formal parameters
A parameter, as its name suggests, is a formal argument, not an actual argument, which replaces the value of the actual incoming method. The value itself participates in the operation in the method body code. A formal parameter
Before you mention the above concepts, first of all, let's talk about the implied parameters of functions in javascript:
Arguments
Arguments the object represents the function being executed and the arguments of the function that called it.
Note: Before reading this blog post, read "Understanding javascript_13 _ execution model details".Note: Some of the content in this article is my own inferences, and there is no reference in the official document. If there is an error, I hope to
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.