javascript tips

Before the online to see someone ask questions, how to synchronize the time on the page to display the server, in fact, there are several ways to achieve, it may be common people immediately thought can use Ajax every second to request the server,

JavaScript is a world-class programming language that can be used for Web development, mobile application development (PhoneGap, Appcelerator), and server-side development (Node. js and Wakanda). Through this article, we will introduce you to the

each item is JS in the small tricks, but very practical! 1.document.write (""); Output Statementthe comments in the 2.JS are//3. Traditional HTML Document order is:document->html-> (head,body)4. The DOM order in a browser window is:window->

Javascript tips: 0---2 and 0---2 Okay. Pretty girls have read it. Let's continue with the content of the last lecture (the content of the previous section)Control statement: First, I would like to sum up a total9Control statements: If statement

1. Be sure to use the var keyword when assigning a variable for the first timeVariables are not declared and are directly assignable, and as a new global variable by default, avoid using global variables as much as possible.2, use = = = Replace =

1. Delete the trailing elements of an arrayOne simple way is to change the length of the array: Const arr = [one, One, one, one, one, ]; Truncanting Arr. Length = 3; Console.  Log(arr); //=> [One, one, one]

I. Using split () to intercept a stringDescription: The split () function returns an array of strings, where the characters that need to be intercepted are decomposed in the string. So we need to get the values in the returned array when we call the

Javascript| Tips Episode III How to use history and forward on a Web pageLet's take a look at a syntax that lets you browse through different files, and we're going to talk about back () and forward (), if you have a link in your own

Javascript| Tips Fourth episode how to use an operation function This is a special built-in function eval includes an operand for its arguments, an operand, and a value to be returned. This function is useful for computing a numeric string that is

Javascript| Tips Event Source Object Event.srcElement.tagNameEvent.srcElement.type....................................Capture releaseEvent.srcElement.setCapture ();Event.srcElement.releaseCapture ();Event

11, delete before and after the space String.prototype.trim =function() {return This. Replace (/(^[|]) | ([|] $)/g, ""); }2 32. Convert document.getElementById (ID) to $ ("id"))4 5 function$ (ID) {return typeof(id) = = ' String

ObjectiveSummarize the recently touched JavaScript syntax sugar and share it with everyone.Each piece of sugar has a detailed description and examples, not much to say.Accurate type checking1 /*2 * @function:3 * Type Check example4 * With this

1 JavaScript array converted to CSV format Consider the following scenario first, with a javscript character (or numeric) array that now needs to be converted to a comma-separated CSV format file. Then we can use the following tips, the code is as

Javascript| Tips What is a JavaScript language? JavaScript is a new descriptive language that can be clamped into HTML files, which can be used to respond to user demand events (such as form input) without transmitting data back and forth from any

Javascript| Tips The following is the result of our production of the source program of the lantern effect Here goes your cool page! In this program we use the same function (or part) settimeout (...) as above. Notice that the

Javascript| Tips Tenth episode JavaScript Basics (2) Ii. How to implement Javescript NETSCAPE2.0BETA3 version above, you can perform the functions of JavaScript. We have tested at least beta3 version of the above can. So far, except for Netscape,

Javascript| Tips The following is the original syntax  browser's status bar > Name= "Look" value= "Show!"> Type= "button" name= "Erase" value= "clear!"> In this example we have built two buttons, and the two presses will

Javascript| Tips The first episode how to control a Web page with a mouse The JavaScript feature that you'll first show in this section is to move your mouse to this different color link, and look at the results of the Status column in the browser,

Some time ago, I collected and summarized the Application Techniques in Javascript, forming the following articles:Article: Javascript tips and tricks-1 Javascript tips and tricks-2 Javascript tips and tricks-3 Javascript tips and

Original: https://www.cnblogs.com/ys-ys/p/5158510.html--------------------------------------------------------------------------------Thank you for this good article from the Broken Wolf, as well as the authors who wrote these points of knowledge