webstorm javascript tutorial

Basic Javascript tutorial-if condition statements If is one of the common syntaxes, the format is as follows: If (coditon) statement1 (else statement2) Coditon can be any expression, or even a Boolean value, because JavaScript will automatically convert it to a Boolean value. If the condition execution result is true, statement1 is executed. If the condition

1JavaScript nested in HTMLIt is common practice to put functions in the The following is a JS to verify whether the input is empty code, you can create a new HTML file test in Webroot. my first paragraph. javascript Please enter a number. If the input value is not a number, the browser pops up the prompt box. Click here Of course, you can use no function2JavaScript independent of HTML file, file type *.jsMyscript.js is located in the same location a

); //interception of Slice arrays//var arr4 = Arr3.slice (2);//["C", [+] //var arr4 = Arr3.slice ( -2);//[2,3] //var arr4 = Arr3.slice (4,2);//[] //var arr4 = Arr3.slice (2,4);//["C", 1] The index value includes the coordinates that do not include the right side. //Console.log (ARR3);//Console.log (ARR4);////splice manipulating and intercepting the original array//var arr5 = ["1111", "1111", "1111"];//the//replacement element cannot exist as an array, otherwise the entire array is put int

This article mainly introduces the JavaScript in the GETDATE () method to return the specified date of the tutorial, is the basic knowledge of JS introductory learning, the need for friends can refer to the Returns the day of the month, on a specified date, by the JavaScript date.getdate () method of the local time. The value returned by getdate is an integer be

("yellow"));//0 Console.log (Stringvalue.localecompare ("Zoo"));//-1 Because the value returned by Localecompare () depends on the implementation, it is best to use this method as shown in the following example. function Determineorder (value) { var result=stringvalue.localecompare (value); if (result 8.fromCharCode () method In addition, the string constructor has a static method: fromCharCode (). The task of this method is to receive one or more character encoding

javascript| Tutorial Using OLE Automation in JavaScript7. How to deal with set objectsThe automation object has the same structure as some of its JScript objects. It exposes a variety of methods and properties that we can handle. If you have never contacted Visual Basic, you may not be familiar with the set object. A set is a group of related items. The set is used primarily in Visual Basic to keep

javascript| Tutorial Using OLE Automation in JavaScript 4. How to retrieve an instance of the existence of a automation object JScript supports the GetObject () function in the same Visual Basic. Its general syntax is as follows: var Objvar = GetObject ([pathname][, class]); OBJVAR specifies a variable to hold the reference to the instantiated object. Pathname is

Javascript| Tutorial uses JavaScript to generate mouse-shift-past alarms To produce a mouse-shift alarm, you can first add the JAVASCIRPT statement to the front of the page: To invoke this alterdave () you can write the following statement: Click on the following to test the page to see the specific example, you move the mouse to "Pacific Internet" on

The Cookie|cookies|javascript| tutorial cookie is a small piece of information that the browser stores to help identify the user. Setting up and checking cookies in a form requires two files to complete. The first file is cookie1.html, and this file requires some mechanism (a button in the example below) to check if a cookie exists and then redirect it to the form page or the document download page. And the

Javascript| tutorial using OLE Automation in JavaScript 4. How to retrieve an instance of the existence of a automation object JScript supports the GetObject () function in the same Visual Basic. Its general syntax is as follows: var Objvar = GetObject ([pathname][, class]); OBJVAR specifies a variable to hold the reference to the instantiated object. Pathnam

javascript| Tutorial Using JavaScript to generate a mouse-shift alarmTo produce a mouse-shift alarm, you can first add the JAVASCIRPT statement to the front of the page:To invoke this alterdave () you can write the following statement:Click on the following to test the page to see the specific example, you move the mouse to "Pacific Internet" on the t

Use JavaScript to produce mouse-move-past pop-up windows This tutorial describes the design of a window that pops up when you move the mouse over the picture. This pop-up window is a standard page and you can set it to size. First, add the following code to the Header tab of the page: So how do you invoke this JavaScript script? The specific code is as follo

HTML Basics |javascript| Notes | tutorials Related articles: Zhang Xiaoxiang: JavaScript Tutorial notes: HTML Basics (i) Instead of trying to use the ENTER key to change lines in the browser, use the Use of lists:Unordered list:... ...... ...... ... ... ...There are sequence tables:Text labels Hyperlinks to HTMLWeb pages are just one of the Internet resources;So

This article is the official HTML5 training course for Brother Lian it education organization, mainly introduces: JavaScript intensive tutorial--cocos2d-js automatic jsb binding rule modificationWhat is JSBJSB is the abbreviation for JavaScript binding. The JavaScript engine used in Cocos2d-js is Mozilla's SpiderMonkey

The video tutorial "proficient in Javascript + jQuery" provided by cutting-edge videos is quite good and worth looking. JavaScript/CSS/DOM Basics Lesson 2-Content Overview Lesson 2-background knowledge of JavaScript Lesson 2-JavaScript Basics Lesson 2-CSS Basics

First, JavaScript syntax1.JavaScript statement: A command issued by a JavaScript statement to the browser. The purpose of the statement is to tell the browser what to do.2. Semicolon: Split between statements with semicolons. Semicolons are optional and can not be added. Suggested Plus.3.JavaScript code: Executes seque

javascript| Functions | tutorials | string-string objects provide many methods, but few programmers make the most of them, which, for a programmer, cannot be said to be a flaw. Strings provide methods that can be used to manipulate characters, produce HTML tags, search strings, and so on. Let's begin by saying what a string is. In the JavaScript language, a string is an object. As in Java, they are not sto

Web page executes the command, shaking the original page.The main property tag involved is the input onclick onchangeLet's explain the code first.Let's first introduce the meaning of this label This tab shows an input box ID indicating the ID of the input box, which is related to the JS command above, and the Onchang tag indicates that the user executes the JavaScript code when changing the input field content, so the following equals sign content is

This article mainly introduces the use of JavaScript to implement the dialog box tutorial, is the basic knowledge of JS introductory learning, the need for friends can refer to the JavaScript supports three important types of dialog boxes. These dialog boxes can be used to raise and alert, or to be confirmed by any input or with an input from the user. Here, we

Boostrap provides 12 JavaScript plug-ins, including: Animation transition Transition Modal Modal Drop down menu Dropdown Scrolling detection Scrollspy TAB tab Prompt Box Tooltip Pop-up box PopOver Alert Box alert Buttons button Folding Collapse Rotating Wheel Seeding Carousel Automatic positioning Buoy Affix Modal Bomb window Drop down Menu Declarative usage General Pull-down menus are implemented on the navigation bar (