Summary of several methods to parse string into json

1. The old method:Copy codeThe Code is as follows:Function strToJson (str ){Var json = eval ('+ str + ')');Return json;} 2. Common Methods:Copy codeThe Code is as follows:Function strToJson (str ){Return (new Function ("return" + str ))();} 3. json

The event model varies with browsers.

Standard Reference According to W3C DOM 2 Events, the EventTarget interface is implemented by all nodes that support the DOM event model. This interface provides the 'addeventlistener 'and 'removeeventlistener' methods to bind or unbind an

JQuery form verification extension code (1)

I again stated that there are many plug-ins and they will be solved one by one in the future. Please do not say anything wrong. I hope you will give more suggestions and provide better comments.I. analyze basic information about Form Verification In

Javascript getElementsByClassName implementation code

Let's take a look at the Code: (Multiple class queries and queries within a certain range are supported)Copy codeThe Code is as follows:/** Obtain the Element Set Based on the element clsssName.* @ Param fatherId the ID of the parent element. The

JQuery UI AutoComplete Automatic completion note

Page:Copy codeThe Code is as follows: test Background:Copy codeThe Code is as follows:Using System;Using System. Web;Public class GetAllWords: IHttpHandler{Public void ProcessRequest (HttpContext context){If (context. Request. QueryString ["term"]!

JavaScript Table sorting 2.0 (updated)

I am still so busy recently. Please update the program on May 1.This version mainly adds and improves the following:1. Use localeCompare to compare strings;2. Multiple sorting objects can be used in a single sorting (used for sorting when values are

Dynamically add file field forms using JavaScript

Js Code:Copy codeThe Code is as follows:Html code:Copy codeThe Code is as follows:

JavaScript script performance optimization considerations

Loop is a commonly used control structure. Most things are completed by it. in JavaScript, we can use for (;), while (), for (in) in fact, the efficiency of for (in) in these three loops is very poor, because it needs to query hash keys, as long as

Page 1/2 of the Code for clearing the input (type = & quot; file & quot;) value of the upload control in JS

Google found this solution:When a value is inserted in the upload control, it can only be cleared through the form reset function, but other values in the form are also reset.Now that you can use the form reset to clear, there is a way: create a

Msn chat in javascript Discuz code

Add the following two functions to javascript:Function msnoperate (action, msn ){Var actionArray = new Array ();ActionArray = {'Add': 'http: // go.discuz.com /? App = msn & linkid = 5 & msn = '+ msn,'Chat': 'http: // go.discuz.com /? App = msn &

Use jquery to set the focus in ie for input and textarea

Today, we encountered this problem when submitting our form, so we can solve it with the legendary jquery.Here we mainly talk about the focus issue in IE, because it is supported in firefoxCopy codeThe Code is as follows:Input: focusTextarea:

YAHOO. util. Dom-Part.3

Var patterns = {HYPHEN:/(-[a-z])/I,ROOT_TAG:/^ body | html $/I};Var toCamel = function (property ){// If no-[a-z] letter exists, return directlyIf (! Patterns. HYPHEN. test (property )){Return property;}// If there is a cache, the replaced value is

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Data is inherently quiet, and always wants to keep its inherent nature; while code is inherently lively, always wants to change the world.As you can see, the relationship between data codes is surprisingly similar to that between material and energy.

Prohibit screen capture, copying, and printing for JS applications

The requirement for prohibit screen capture, copying, and printing is required for the project. Copying and printing may easily lead all kinds of online scripts. But how can I disable screen capture? PrintScreen is a special key without keyCode, so

Zero basics JavaScript latest animation tutorial + iso disc download

Latest animation tutorial + CD-zero basics JavaScriptGood resources found on the Internet, CD and animation tutorials for the latest programming getting started book of the Mechanical Industry Press.Donkey:

Use Modello to write JavaScript classes

From: http://www.ajaxwing.com/index.php? Id = 2I. backgroundLooking back at the development of programming languages, it is not difficult to find that this is a process of continuous encapsulation: From the first assembly language, to the

VB countdown timer and current JS time

When VBscript is used as a timer, how can we continuously call a VB Function on the page ....For example, how does one move the number of seconds without refreshing...After thinking for a long time, I checked a lot of places that were made with

Started by element. appendChild (newNode)

In the element. appendChild (newNode) method, if newNode itself is a node in the Dom, The appendChild method is no longer executed.It is an append operation, but a move operation. For example: [Ctrl + A select all Note: If you need to

How to connect to the access database using javascript

I just saw a program written by a friend who used javascript to connect to the excel database and wanted to change it to an access database. I found these two articles.------------------------------------------Over the past few days, I have made

From jquery's filter. filter () method

Recently, jquery's. the filter () method is really a very powerful method. The most powerful thing is that it can take a function as a parameter and then judge based on the return value of the function. If the return value is true, this element will

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