JavaScript

The examples in this article describe how JavaScript gets the current day of the week. Share to everyone for your reference. Specifically as follows: JavaScript gets the current date is the day of the week, mainly through the Getday function to get

The exit box is useful and requires a pop-up window. For programmers who develop such a site, they have a tricky problem, and they don't know if the pop-ups are blocked by browsers or various browser plug-ins, not popping out. Of course, the browser

The examples in this article describe the JavaScript analog map output and the method of removing duplicates. Share to everyone for your reference. The specific methods are as follows: 1.Javascriptmap output function Map () {//private var obj =

Unlike programming languages such as C and Java, variables in JavaScript are of no type, and all variables are defined with the following keywords var: Copy Code code as follows: var A; var m, N; var x=42, y= "test"; If

1. Use prototype to complete a single inheritance. Copy Code code as follows: Define a Class A function A () { } Dynamically invokes property color for Class A, with method Saycolor A.prototype.color = "Blue"; A.prototype.saycolor =

This example describes the use of JavaScript using the Shift method to remove the first element of a vegetarian group. Share to everyone for your reference. Specifically as follows: In JS we can move the last element of an array through the Pop

This article illustrates the way in which the JavaScript implementation of the digital array is arranged in reverse order. Share to everyone for your reference. Specifically as follows: The following code shows how the JS array sorts the array of

This article illustrates the use of JavaScript for Web node additions and deletions. Share to everyone for your reference. The specific analysis is as follows: I. Basic CONCEPTS This part is called "HTML DOM", the so-called HTML DOM is the Web

This example describes a JavaScript implementation that converts UPC to ISBN. Share to everyone for your reference. The implementation methods are as follows: if (Indexisbn.indexof ("978") = = 0) { ISBN = isbn.substr (3,9); var xsum = 0;

This example describes how JavaScript returns the number of anchor points in a Web page. Share to everyone for your reference. Specifically as follows: JavaScript returns the number of anchor points in the Web page, the following JS code gets the

This article analyzes the JavaScript object-oriented definition member method. Share to everyone for your reference. Specifically as follows: JavaScript is object-oriented, and the member method is defined as follows: Copy Code code as

Front-end engineers know that JavaScript has basic exception handling capabilities. We can throw the new error () and the browser throws an exception when we invoke the API error. But it is estimated that most front-end engineers have not considered

GetAttribute This method is used to get the attributes of an element, which is called as follows: Copy Code code as follows: Object.getattribute (attribute) Unlike some of the methods described earlier, the GetAttribute

JavaScript provides several techniques for searching a string for a word, number, or other string of characters. Search can be handy, for example, if you want to know which Web browser a visitor uses to browse your site. Each Web browser identifies

Look at the beauty of programming: The program, though difficult to write, is wonderful. To write a program well, you need to write some basic knowledge, including programming language, data structure and algorithm. The program writes well, needs

This example describes how JavaScript determines which radio button is selected when the form is submitted. Share to everyone for your reference. The specific analysis is as follows: When the form is submitted here, you can tell by JavaScript which

Recently participated in the front-end intern recruitment of the written test, found that many of the written questions will be the test to string processing, such as where to go to the net-pen questions, Taobao Pen test questions. If you are a

As the web grows, front-end applications become more complex, and JavaScript (Node.js), based on back-end, is starting to emerge, while JavaScript is being placed in greater anticipation, while JavaScript MVC is becoming popular. JavaScript template

This example describes the JavaScript formatted JSON display method. Share to everyone for your reference. The specific analysis is as follows: Format a JSON object or JSON string to easily restrict on a Web page var Formatjson = function

First, JavaScript basic syntax. (i) Data type and variable type. Integer, Decimal, Layout, string, date time, array cast: parseint () parsefloat () isNaN () (ii) array var array name = new Array ([length]); "Counterfeit" array a.length-length