JavaScript

JavaScript acceleration technology by situ zhengmei   !!!!!!

Using the email Method // email Window. Location. href = " Mailto: talantlee@126.com " ;Myform. Action = " Mailto: talantlee@126.com " ; Another email can provide some functions and can be used directly.1> mailto: study@126.cn,

1. setinterval () -- automatically execute the method every second, setinterval method or string, millisecond, parameter array (method )) Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->var

The setTimeout function is used for delayed execution. Good at using this function can reduce a lot of Ajax requests and Dom operations.   1. Delay switching tab Requirement: There are several tabs on the page. When you switch to a tab, the data in

Function myFunction (test1, test2 ){// Parameters passed in with apply must be explicitly declared and retrieved in the put order// Alert (extendStr );Alert (test1 );Alert (test2 );// After binding the property, you can call the function without

Implement javascript running in innerHTML, so that each module of the page can interact better and share data. After referring to some previous practices, we adopted some workarounds and added some additional tags to better implement javascript

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The proportion of images displayed on the Web is usually incorrect. If you do not limit the width and height for , the entire page will be congested if the picture is too large, if the image is small, the image will be distorted. My requirements are

For example, if you want the five functions ABCDE to be executed in sequence, you can write the following code. A();B();C();D();E();   In the case of synchronization, such code has no problems. However, if ABCDE is asynchronous, it

In this log, the constructor is mentioned in the method of defining functions in javascript. Now, we will introduce the following concepts of the constructor and method of javascript. These are two useful concepts. I will introduce the

There are three types of objects in javascript: 1. Internal objects such as Array, Boolean, Data, Math, Number, Object, RegExp, and String objects. These Object systems provide us with their own properties and methods. call. 2. class-based objects

// Human base type Var Person = new (function () { Var sex; Var name; This. getSex = function () { Return sex; } This. setSex = function (value) { Sex = value; } } ); // Students must accept "persons" Var Student = function (parent) { This. _ class _

1. No prompt to refresh the webpageHave you found that when refreshing some webpages, a prompt window will pop up and click "OK" to refresh the page.Some pages do not prompt. If the prompt window is not displayed, the page is refreshed directly.If

This article introduces some common methods of DOM and javascript! 1. Differences among innerText, innerHTML, outerText, and outerHTML 　　　　Function: InnerHTML sets or obtains the HTML in the object's start and end tags.OuterHTML sets or obtains

JS-only Chinese and English characters can be entered Use a regular expression object (RegExp) in js to judge Chinese ^ [\ U0391-\ uFFE5] + $ English ^ [A-Za-z] + $ Chinese and English /^ [\ U0391-\ uFFE5A-Za-z] + $/ Javascript Regular Expressions

For more information, see: http://www.w3school.com.cn/htmldom/dom_obj_event.asp

Object native typeAn unordered set that can store any type of ObjectsThe following two methods can be used as dictionaries:O. ItemNameO. ["ItemName"]You can use for in to traverse each item in the dictionary.1 Object native type ExtensionObject.

I. cookie OverviewCookie is an attribute of the Document Object. It enables JavaScript code to persistently store data on users' hard disks and read, modify, and delete the data using JavaScript code. In this way, information can be saved, and the