JavaScript

This article mainly introduces Math in JavaScript. the use of the SQRT1_2 attribute is the basic knowledge in JS beginners. If you need it, you can refer to it to return the square root of 1/2. Similarly, the square root of 2 above 1 is about 0.707.

This article describes how to use the constructor () method in JavaScript. It is the basic knowledge in JavaScript beginners. For more information, see JavaScript Boolean. the constructor () method returns a prototype Boolean function that

This article mainly introduces how to use the toString () method in JavaScript. It is the basic knowledge in JavaScript beginners. For more information, see JavaScript Boolean. the toSource () method returns a string that represents the source code

This article briefly introduces the strings and arrays in javascript, which are basic knowledge. To learn javascript well, you must understand these two points. JavaScript string A string is a collection of characters, including English letters,

This article mainly introduces window. onload and $ (document ). the difference between ready () and the example analyzes the differences between the two in the use of page elements. For more information, see the example in this article. onload and $

This article mainly introduces the usage of jquery floating fixed layer plug-in at any position, and analyzes the usage tips of jQuery floating layer plug-ins, for more information about jquery floating fixed layer plug-ins, see the example in this

This article mainly introduces how to verify the form of a pass similar To Netease using JavaScript. It is very practical. If you need it, you can refer to it. It's good to introduce Form Verification: CSS code @ Charset "gb2312";/* CSS

This article will share with you one of the things we need to pay attention to when using the replace method in javascript. I just didn't notice it, so I 've been bored with this bug for a long time. I will record it here, if you have any need,

This article mainly introduces how to click a button in javascript to bring up a window that can close the layer and grayed out the webpage background. It involves javascript mouse events and page element style operations, for more information, see

This article mainly introduces how to enable and disable the JS animation effect layer. It can enable and disable the js control layer from the center, and involves the related techniques of javascript page elements, for more information about how

This article mainly introduces common javascript Functions and summarizes some common functions for your reference. If you need them, refer to the following articles and summarize some common js functions, these include data operations, character

Javascript constructor is very powerful and may be one of the features that Javascript can fully utilize. But if you want to really understand Javascript, you should still understand how constructors work. This article describes constructor in three

Json is a lightweight data exchange format. This section describes how Jquery parses Json format data. For more information, see Json, JSON (JavaScript Object Notation) is a lightweight data exchange format. Easy to read and write. It is also easy

This article mainly introduces two methods to Implement IE browser compatibility with placeholder Based on jQuery. For more information about how placeholder is HTML5, see Different browsers (modern browsers that support HTML5) have slightly

InnerHTML dynamically adds html code and scripts, assigns values to the innerHTML of an element, and makes the js Code in the value effective and compatible with multiple browsers. This is a great way of symptom: when setting values for innerHTML of

JavaScript allows a function to pass a variable number of parameters. Because of the built-in object arguments, the array of all parameters transmitted by a function is a remote question: JavaScript has been exposed for a long time, but you have not

This article mainly introduces form in JS. the reason why submit () cannot submit the form is incorrect. This article concludes that the button ID and name should not use submit. If you need it, you can refer to the following code: The Code is as

A JavaScript function, parseQueryString, is used to parse URL parameters into an object. It is very practical. You can check the problem: compile a JavaScript function, parseQueryString, it resolves URL parameters into an object. Eg: var obj =

Scope and scope chain are very important features in javascript. Their understanding is directly related to the understanding of the entire javascript system, and closure is an extension of scope, it is also a feature that is often used in actual

Self-executed anonymous functions in javascript can be used to create namespaces. As long as all your code is written in this special function package, external access is not allowed, unless you allow self-execution of anonymous functions in