JavaScript

# Test URL: http: // localhost/blog/testurl. php? Id = 5Copy codeThe Code is as follows:// Obtain the domain name or host addressEcho $ _ SERVER ['HTTP _ host']. ""; # localhost// Obtain the webpage addressEcho $ _ SERVER ['php _ SELF ']. ""; #/blog/

When json is used to transmit data in ajax, other data types are not a problem. However, if the JSON generated by the server contains bool data, a small problem occurs during client parsing, summary:The JSON returned by the server is:Copy codeThe

Email address verification Copy codeThe Code is as follows:Function checkEmail (){Var email = $. trim ($ ("# report_email"). val ());If (email = ""){$ ("# Report_email" pai.next('p'0000.html ("* enter the email address! ");Return false;}Var re =/^ ([

1. Obtain subnodes For example, if it is a div element whose id is test, we select $ ('# test') and we want to find a span element whose class is demo under this div, there are several methods1. Use filtering Conditions$ ('# Test span. demo ')2. Use

Example 1:Copy codeThe Code is as follows: 10 minutes and 00 seconds   Example 2 Countdown jump page Copy codeThe Code is as follows: JS countdown webpage automatic jump Code 3 seconds later, the system automatically jumps, click the link below

Find information on the Internet to learn about performance optimization. The content is now easy to organize and can be used only for your reference during the optimization process. If you have any questions, please submit them in time, then make

(⊙ O ⊙ )!!! This is too Nima official SA. As a cainiao, I cannot understand what it meant to express! But as a curious cainiao, I really want to know what "closure" is! So I finally found the legendary "du Niang" for help! A little bit of

Mobile phone number verification Reference content is as follows:Copy codeThe Code is as follows:JQuery. validator. addMethod ("mobile", function (value, element ){Var length = value. length;Var mobile =/^ (13 [0-9] {1}) | (15 [0-9] {1}) + \ d {8}) $

There are three ways to bind events in Jquery: Taking the click event as an Example(1) target. click (function (){});(2) target. bind ("click", function (){});(3) target. live ("click", function (){});The first method is easy to understand. In fact,

 Hiding modal Windows is a good solution for processing interface elements that are not special and necessary to appear on webpages. Social networks can use modal windows to send private messages and forms that are only visible to members. The blog

Share a bubble prompt box. The exercises are as follows: (1) JS responds to mouse events; (2) making triangles with pure CSS.The effect is as follows: Here is html:Copy codeThe Code is as follows: bubble dialog box bubble dialog box

Asyncjs/seriesByHand. js Copy codeThe Code is as follows:Var fs = require ('fs ');Process. chdir ('referes'); // change the working directoryVar concatenation = ''; Fs. readdir ('.', function (err, filenames ){If (err) throw err; Function readFileAt

Element. clientWidth // The actual width of the element, not a borderElement. clientHeight // The actual height of the element, not the borderElement. offsetWidth // The actual width of the element and the borderElement. offsetHeight // The actual

"Window. location. href" and "location. href" indicate the current page Jump."Parent. location. href" is the previous page Jump"Top. location. href" is the outermost page JumpExample:If A, B, C, and D are all jsp, D is the iframe of C, C is the

Copy codeThe Code is as follows:Function dateFormat (date, format ){Var o = {"M +": date. getMonth () + 1, // month"D +": date. getDate (), // day"H +": date. getHours (), // hour"M +": date. getMinutes (), // minute"S +": date. getSeconds (), //

The following is the gradient js Code (indicating that the remaining three lines need to be hidden, click "more" to show the remaining lines, and click "less" to gradually hide them ):Copy codeThe Code is as follows:Function

Using jquery technology to operate a table is simple. Using jquery syntax, you can easily change the color of a table by row, and hover the highlighted content, in actual applications, check boxes may appear in the table. When deleting a table,

Copy codeThe Code is as follows:$ ("# Focus. input_txt"). each (function (){Var thisVal = $ (this). val ();// Determine whether the value of the text box is null. If there is a value, the prompt is hidden and displayed if there is no value.If

Sometimes we want to write a small program with js, but feel it is quite troublesome to run it with a browser. Now let's take a look at how to use java programs to call javascript programs, in this way, JavaScript code can be executed without using

After testing, it is found that alert will interrupt the timer function of settimeout. After the dialog box is closed, the time of settimeout starts to start timing again, instead of breaking from it.For example, if settimeout is set to 5 minutes