removed from the end of the array.
3. traverse the array
In js, there are two methods to traverse the array:
1) for loop
2)... In statement js array traversal dedicated
For (var I in array ){
}
Note: If a text subscript exists in an array, the corresponding text subscript element cannot be output when the for loop value is used. try to use the for... in statement to traverse this array.
IV. text subscript
Format: arr ['key']
The array element of the text subject is not included in the
control of Nodejs Crawler Advanced Tutorial
node. JS Base module HTTP, web Analytics tool Cherrio implementation Crawler
node. js The basic idea of writing crawlers and the example of crawling Baidu pictures to share
Nodejs Crawler get data Simple implementation code
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This article ish5eduAgency officialHTML5 Trainingtutorials, the main introduction:JavaScript Intensive Tutorials--prototypeReference prototype If you want to test JavaScript library, you need to refer to it in the Web page. To reference a library, use the Click to enter JavaScript intensive tutorialThis article is from the "11721999" blog, please be sure to keep this source http://11731999.blog.51cto.com/11
National first ArcGIS for JavaScript two development video tutorialBaidu Lesson: http://www.chuanke.com/2873165-137674.html51cto:http://edu.51cto.com/course/course_id-3949.htmlNetEase Cloud Classroom: http://study.163.com/course/courseMain.htm?courseId=1270003csdn:http://edu.csdn.net/course/detail/1071Main contents of the course:1.arcgis Foundation2.webgis Foundation3.dojo Foundation4.API Foundation5. Maps and Layers6.Portal Portal7. Spatial reference
This article ish5eduAgency officialHTML5 Training HTML5 Trainingtutorials, the main introduction:JavaScript Intensive Tutorials--jquery Callback functionthe Callback function executes after the current animation 100% is complete. problems with jQuery animationsMany jQuery functions involve animations. These functions may use speed or duration as an optional parameter. Example: $ ("P"). Hide ("slow")The speed or duration parameter can set many different values, such as "slow", "fast", "normal"
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
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