JavaScript

We are in the background management often need to pop up a session form, which we can use the interface of the frame to pop up, can also be used to pop up with jquery, and now jquery is a lot of use, so it is this handy point, do not have to

Array bubble sort algorithm (ascending)Ascending: Decimal In the previous, large number in the post-bubble sort principle: each comparison of adjacent two elements, if the previous number > After a number, indicating the violation of the

varfoo; Alert (!foo);//Undefind The case or null, an exclamation point returns true; alert (!goo);//in the case of Undefind, an exclamation point returns true; But there's going to be a undefind error.varO={flag:true}; vartest=!! O.flag;//equivalent

In real-world projects, you often encounter character formatting problems and write them down for easy viewing later. Use two functions:json.stringify () and json.parse ().Using AJAX to request data back to the front end to return data, clearly the

The process of finding some plugins is really painful ... Find one and quickly record it. Lest you waste time on it later.plugin name : pikadayGitHub address : Https://github.com/dbushell/Pikaday：steps to use :1. Write an HTML element"text"

1 Cancel Event: (block default behavior)2 You can cancel an event when you encounter a problem during the execution of the event. No longer triggers3 how to E.preventdefault ();4 56789Ten One Aclick me - - +javascript-Cancel Event-e.preventdefault ()

12345 implement small squares that are not visible within the current display area 6 One A - - the $ $ -javascript-a small square that cannot be reached within the current display area.

Summary of common methods of javascript--stringExample templates:var str = "What is You"var str1 = "sss"var txt = str. method (parameter 1, parameter 2 ...) Console.log (TXT)1.charAt (Index): Returns the string specified in the string according to

YuyuyuLinks: https://zhuanlan.zhihu.com/p/24620643Source: KnowCopyright belongs to the author. Commercial reprint please contact the author for authorization, non-commercial reprint please specify the source.1.1 How event bindings areThere are

1. IFRAME Child page Call parent page JS functionThe child page calls the parent page function just to write on window.parent. For example, invoking the A () function is written as:WINDOW.PARENT.A ();2. IFRAME Parent page Call Child page JS

Javascript:void (0)Used to perform certain processing, but not to refresh the page as a whole.Javascript:void (0) indicates that no action is done. Such as:href= "javascript:void (0);" onclick = "alert (' OK ');" > a >This indicates that this link

Original Blog Address: http://www.cnblogs.com/dolphinX/p/3286177.htmlThe original blog author is a very good front-end of the great God, I as a beginner, here with the Great God's blog to carry out their own learning. Thank the original author for

Write their own code, and then rotten is their own ...Implementation code VisitDOMviaJavaScript Please enter the following information Name: Gender: Male Women Marital status: married Help me Keep Secrets Page effectsForm

Optimize page load times HTML tag order: move all movable tags to html before. GZIP encoded transmission of JavaScript files downsizing, obfuscation, and compiling, using tools to streamline and optimize your code

Problem: usually we often write var ss = New Person (); SS is an object generated by the ' person class ', but our person method does not write return;(var ss= person (); returns undefined because no return is written in the METHOD)Let's start with

Examples of making a circular progress bar in CSS3 and examples of css3 The basic idea of making a circular progress bar is to draw a basic arc graph. In CSS3, we can control its rotation to concatenate the basic graph to produce the effect of

CSS3 @ keyframes animation, css3 @ keyframes @ Keyframes of CSS3, which can replace many webpage animated images, Flash animations, and JAVAScripts.Animation attributes of CSS3 The following table lists the @ keyframes rules and all animation

High collapse, overflow: hidden 1. ConceptThe height of the parent element in the Document Stream is supported by the quilt element by default. When the child element is out of the Document Stream, the height of the parent element cannot be lifted,

How to insert a video (simple and practical) into a webpage Many people will ask how to insert a video on a webpage. There is a new tag in HTML5-The video tag, but the compatibility is not that good. The following code can be used directly. Note the

In-depth understanding of the difference between nth-child and nth-of-type in css3, css3nth-child In css3, two new selectors can be used to select the corresponding child element under the parent element. One is nth-child and the other is