function return false

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In the jquery text box, enter only the number plug-in.

// Use: $ ("selector "). inputonlynum (); enter only numbers (function ($) {$. FN. inputonlynum = function () {This. keypress (function (e) {If (E. which = 8 | E. keycode = 9) return true; // backspace & tab in FF var B =/^ [\ D \. -] $ /. test

Four cross-browser functions in Javascript

The following four functions are part of them. first, we need to add a browser detection Script: copy Code the code is as follows: /********************************** * Check the browser ********************************** */ var user =

Code for disabling the right-click and copy-and-paste functions in the JS input text box

CopyCode The Code is as follows: function click (E) { If (document. All) { If (event. Button = 1 | event. Button = 2 | event. Button = 3) { Oncontextmenu = 'Return false '; } } If (document. layers) { If (E. Which = 3) { Oncontextmenu = 'Return

Jquery-based mouse-to-image jitters similar to Baidu

1. After viewing the source file, I was puzzled to find that this page does not contain the prize information. This determines Code In another page. So it is assumed that the address is connected using the framework. The result is not found, but

Jquery event processing bind, multiple events

[Jquery] jquery event processing BIND (type, [data], FN)Data, bind, jquery, Type BIND (type,[Data], FN)Returned value: jqueryOverviewBind an event handler for a specific event of each matching element.The. BIND () method is

JS events and attributes

Event source object Event. srcelement. tagnameEvent. srcelement. Type Capture and releaseEvent. srcelement. setcapture ();Event. srcelement. releasecapture (); Event buttons Event. keycodeEvent. shiftkeyEvent. altkeyEvent. ctrlkey Event Return

Common JavaScript skills in the Web (1)

Event source object Event. srcelement. tagnameEvent. srcelement. Type Capture and release Event. srcelement. setcapture ();Event. srcelement. releasecapture (); Event buttons Event. keycodeEvent. shiftkeyEvent. altkeyEvent. ctrlkey Event Return

Event + small compatibility test

1. Block default event return false 2. By default, the system right-click menu oncontextmenu. to be compatible with all browsers, you must write document. oncontextmenu = function () {return false ;} 3. The mouse position of native Javascript is

[Headfirst design mode learning notes] 8 template method mode

Author: gnuhpcSource: http://www.cnblogs.com/gnuhpc/ 1. This mode is relatively simple. Here is an example of a bank loan application process (This is not an example in the book.): When applying for a loan, the Bank should check the customer's

Simulate alert, confirm, prompt

The one I used in the previous project was also written by myself, but it was based on JQ. Recently, I saw that the JS question posted by Renren is similar to this one, so I used Native js to rewrite it again: JS (Function (WIN) {var tips = {'title':

Sizzle engine-Principles and Practices (1)

As we all know, sizzle is jquery's royal selector engine and the DOM selector engine written by John resig, the author of jquery. The speed is claimed to be the highest in the industry. In addition, sizzle is an independent part and does not rely on

Misunderstandings and differences between JavaScript and CSS in IE and Firefox

1. Collection class Object Problems In the existing Code, many collection class objects are used (), which is acceptable to IE and cannot be used by Firefox.Solution: use [] as the subscript operation. For example, change document. Forms ("formname")

Query plug-in-use of ajaxform ajaxsubmit

Nowadays, Ajax is everywhere, and forms, as the focus, are naturally taken care. In fact, we usually use jquery to submit forms asynchronously. Generally, $. Ajax is used in submit. For example:  $(function(){ $(‘#myForm‘).submit(function(

Valid STL notes-considerations for using STL

How to delete elements: Remove all objects with specific values in a container:If the container is a vector, string, or deque, use erase-Remove.C. Erase (remove (C. Begin (), C. End (), 1963), C. End (); // deletes all 1963 If the container is

Shield page refresh

/*** Shield refresh on the page* Author: * Date: **/ window. attachevent ("onLoad", disablef5); function disablef5 () { document. onkeydown = function () { If (event. keycode = 116) { event. keycode = 0; return false; }} function

I found several differences between IE and Firefox JS and CSS.

I used to write functions in IE, so I wrote some functions in Firefox. I spent a lot of time on Firefox and found some differences between Firefox and IE: 1. Firefox does not support innertext or why. Firefox supports innerhtml but does not

[JQuery] event series

One bind method Prototype: bind (type, [data], fn) Purpose: bind an event processor function to a specific event of each matching element. Returned value: Object Parameter: type (String): Event type Data (Object): [Optional] additional data Object

In-depth explanation of the php ftp class

FTP is a File Transfer Protocol that supports two modes: Standard (Active) and Passive (PASV, passive mode ). The FTP client in Standard mode sends the PORT command to the FTP server. The client in Passive mode sends the PASV command to the FTP

Use the for in loop in Javascript with hasOwnProperty

Compared with the in operator, for in traverses the prototype chain during the attributes of the loop object. for in does not read non-enumeration attributes, such as The length attribute of an array. Summary when detecting whether an object has a

Examples of native javascript compatibility testing

1. Get the width, border color and other css (not line) in the style table is mainly IE6-7 support currentStyle, standard browser support getComputedStyle; Instance: encapsulation FunctionCopy codeThe Code is as follows: function getStyle (obj,

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