JavaScript

Radio Button Events:Radio button is a multi-select process, but radio button is also an HTML element, so it represents an object for JavaScript.Example: Obtaining a radio button data radio button Testing Gender: male Women Code: radio button

typeof is a unary operator, while Instanceof is a two-dollar operator;typeof operation is a variable, and instanceof is preceded by a variable, followed by a type;typeof returns a string, and Instanceof returns a Boolean value.1, typeof ()

The object class is the most basic class in JavaScript and is used to create generic objects that typically store data with these objects.1. Object objects1.1. Creating Object ObjectsThere are two ways of creating object objectsfirst method of

Date class is used to process dates and times based on the number of milliseconds (timestamp) since January 1, 1970 (World Standard Time)1. Create Date Objectvar now = new Date ();//Current time var date = new Date (1000);//As of January 1, 1970 the

One, definition and usageThe IndexOf () method returns the position of the first occurrence of a specified string value in a string.The LastIndexOf () method returns the location of the last occurrence of a specified string value, which is searched

This article ish5eduAgency officialHTML5 Trainingtutorials, the main introduction:JavaScript Intensive Tutorials--window Location Window LocationThe Window.location object can be written without using the window prefix. Some

This article is the official HTML5 training course for h5edu institutions, mainly introduces: JavaScript intensive tutorial--window locationWindow LocationThe Window.location object can be written without using the window prefix.Some

JS is an object-oriented language, unlike other object-oriented languages, there is no concept of class in JS. People who have contacted C + + and Java know that classes implement the sharing of properties and methods between objects, and class

1. The JavaScript compiler, when encountering the keyword "function", is considered by default to be a function declaration, not an expression.2. You can call it after the declared function is enclosed by parentheses. Like whatfunction foo ()

//html LayoutulID= "Tabtitle"> Liclass= "Active">HTML5Li> Li>PhpLi> Li>JavaLi>ul>DivID= "Div1"style= "Display:block">HTML5Div>DivID= "Div2">PHPDiv>DivID= "Div3">JavaDiv>//css StyleJavaScript source codeAfter runningThe above is the way of

In JS, this is the context in which it is directed according to its scope.Global executionIn the global context, let's see what it is:You can see that a Window object is returned.In node, this returns the global object.Summary : It executes the

1. = = (O゜▽゜) o☆[bingo!] JavaScript has two sets of equality operators, one set = = and! =, and the other is = = = and!==. The former compares only the values of equality, while the latter compares the same types in addition to the

Transferred from: http://www.jb51.net/article/24182.htmvar anchors = document.getElementsByTagName ("a"); for (i = 0; i ) {var ele=anchors[i]; // take an element // some code hereThe above code means getting all the link elements in the document

Predefined functions for JavaScript :The JavaScript engine has a set of built-in functions that can be called at any time.These built-in functions include:1. parseint ()2. Parsefloat ()3. IsNaN ()4. Isfinite ()5. encodeURI ()6. decodeURI ()7.

Place the mouse on the input box, and change the style of the input box and image at the same time ., Input box style new document  

Ionic implements slide tab switching. ionictab Slide tabs can be implemented using the slide-box component of ionic. It mainly listens to tab clicks and slide page sliding events for corresponding processing and uses the ng-repeat loop, optimized

Depressed! How to solve the problem of getting the value bound to ng-model in ionic as undefined? ionicng-model When ng-model is used in ionic today, the value is undefined in the corresponding controller. I used to get it when I used angularjs's ng-

Share the JavaScript method for listening to all Ajax request events, javascriptajax If the Ajax request is made by jQuery$.ajaxBy default, you can use jQuery's Global Ajax Event Handlers to listen to Ajax events. However, I encountered an Ajax

AngularJS uses the ng-repeat command to implement the drop-down box. angularjsng-repeat Ng-repeat of AngularJs allows us to easily traverse arrays to generate Dom elements, but improper use may also cause performance problems. We will share with you

BootStrap table plug-in adaptive Fixed Header (super easy to use), bootstraptable The first is a simple form of page. You can create html tables by drawing tables as usual, and then control special styles through js (the advantage is that tables are