JavaScript

It is a good habit to analyze other people's code implementation during the learning process. Even if you don't understand it very well, it is also a good thing to feel like you have to repeat the code several times. The following figure shows the

In many web applications, we may encounter many scenarios where multiple rows of records need to be inserted dynamically. For example, on the talent website, when we fill in our resumes, we need to fill in our project experience. We can dynamically

But sometimes, when an event is triggered, we need to do some operations first and then jump. At this time, we need to use JAVASCRIPT to implement this jump function.The specific practices are as follows:1. Jump to the new page and open it in the

Animation EffectFrom which the object is triggered, that is, the object is gradually moved to the center of the screen and gradually expanded. The displayed object is then expanded from top to bottom. When you click Close, scale back the displayed

The Code is as follows:Copy codeThe Code is as follows:Function g (n ){Var n = n. toString (2 );Var count = 0;For (var I = 0; I {If (n [I] = "1 ")Count ++;}Return count;} I think this writing is very troublesome. I suddenly thought that I could use

Jquery returns the value of the radio button.$ ("Input [name = 'items ']: checked"). val ();Jquery radio, checkbox, select, radio, checkbox, select, and relatedObtains the value of a set of radio selected items.Var item = $ ('input [name = items]

Copy codeThe Code is as follows:

DOM to add elements and use node attributes Add an element to the DOM, use node attributes Item 1 [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]I. DOM Basics1. node

So I searched the internet and used another method, setTimeout ("fun (" + parameter + ")", 1000, however, the preceding method is applicable when passing form textarea. For example, hml is like this:Copy codeThe Code is as follows: In js, I can

Approximate style: Source code:Copy codeThe Code is as follows:// ============================ HTML page ============================Password:Onblur = "ValidateInput ('Password', this. value)" onkeydown = "validatePwdStrong (this. value);"/> JS

1. Background: During the project, a small business that displays the customer Department name (pinyin) means that there is a corresponding pinyin under the department name, but there is no corresponding field in the existing database, in addition,

shield right-click, Ctrl + N, Shift + F10, Alt + F4, F11, F5 refresh, and return key shield right-click, Ctrl + N, Shift + F10, Alt + F4, F11, F5 refresh, and return key [Ctrl + A select all Note: If you need to introduce external Js, You need

Javascript code:CodeCopy codeThe Code is as follows:Function expandOther (el, el2 ){WhichEl = document. getElementById (el)Button = document. getElementById (el2)If (whichEl. style. display = 'None '){WhichEl. style. display = '';Button. value =

I checked out the official jq plug-in documentation (http://docs.jquery.com/Plugins/Authoring) and A plug-in A developed Pattern written by Mike Alsup recommended in this document. English is not very good, but I still try to see it (he is not happy

1. How to obtain the text of the selected part of the form field? 1 2 3 2. Two methods to hide and display page controls using javascript Javascript controls the hidden display of page controls. The difference between the two methods is whether

Http://www.jb51.net/jiaoben/15599.htmlSyntaxhighlighter is a small open-source project that can highlight various program source code syntaxes on the webpage. Supports the following popular programming languages:C #, CSS, C ++, Delphi, Java,

Var a = '20140901 ';Alert (parseInt (a, 2); // convert 111 as a binary value. Ignore 60 (not binary) and convert from left to right only binary values.Alert (parseInt (a, 16); // convert allAccording to this method, it can be converted to any

Functional requirements:1. 10 records are displayed in the scroll box;2. There is a scroll up or down button, each time you click the button to scroll up or down the number of records, not automatically scroll;3. The number of records does not

The test code is as follows:Home [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute] There are elements a and img (standard document mode), and the relative path is set. The Effects of Various

Example: 1.0 => 1.0.0; 1.1 => 1.1.0 1. added the jQuery version prompt: 2. Added event smart prompts;3. Added smart prompts for delegate and undelegate.Delegate ('', or undelegate ('',4. Added smart prompts for delayed objects.Deferred ()/deferred 5.