JavaScript

Events are at the core of JavaScript, and the importance of it is not much described here. After triggering an event, you need to have an event handler function to handle it, for example, we can define the background of a div to be green after

This article explains the JavaScript implementation of the listbox to move around the detailed code, share for everyone to reference, the specific content as follows Effect Chart: Specific code: listbox around Mobile Options 1

Method one (using Recursive functions): var arr = [9,8,55,66,49,68,109,55,33,6,2,1]; var max = arr[0]; function Findmax (i) { if (i = = arr.length) return max; if (Max Method two (using for loop traversal): var arr = [9,

var chars = [' 0 ', ' 1 ', ' 2 ', ' 3 ', ' 4 ', ' 5 ', ' 6 ', ' 7 ', ' 8 ', ' 9 ', ' A ', ' B ', ' C ', ' D ', ' E ', ' F ', ' G ', ' H ', ' I ', ' J ' , ' K ', ' L ', ' M ', ' N ', ' O ', ' P ', ' Q ', ' R ', ' S ', ' T ', ' U ', ' V ', ' W ', ' X '

The importance of arrays in programming languages is self-evident, and in JavaScript, arrays are one of the most commonly used objects, arrays are ordered collections of values, and because of the weak type, the arrays in JavaScript are flexible and

In a Web page, we can place JavaScript code anywhere in the HTML file, but generally in the head or body tag. In general, where the, As noted above, JavaScript label location is closely related to function, I hope this article is helpful

There are a lot of online to determine whether the picture has been loaded, but some of the browser is not suitable, the following small series to share some about JavaScript to determine whether the picture has been loaded method rollup, the

JavaScript as a scripting language, at the beginning of design did not take into account the object-oriented characteristics. Even in today's modern-day browser era, JavaScript frameworks/libraries have sprung up, and there is no class keyword in

This article illustrates the arithmetic route lookup algorithm of JavaScript black hole numbers. Share to everyone for your reference, specific as follows: The screenshot of the running effect is as follows: The specific code is as follows:

It is often encountered in the work of the content will go beyond a fixed range, the content will generally use the scroll bar to scroll to display. But with the browser default scroll bar is often the product manager despise, but with CSS can not

Hello everyone, we go on to the front today, the front has probably talked about the operator, today's task is mainly to explain the logical conditions of the branch, loop.We first to simulate a logic block, we often contact with the purchase of

This article illustrates the native JavaScript implementation of the scroll bar effect of the code, to share with you for your reference, the specific contents are as follows The principle is to monitor the sliding bar, press the mouse button,

First, asynchronous mechanism JavaScript's execution environment is single-threaded, and the advantage of single-threaded is that the execution environment is simple, without having to consider the annoying problems that need to be faced by

The example of this article describes the implementation of JavaScript waterfall flow layout. Share to everyone for your reference, specific as follows: HTML structure: ... ... ... CSS style sheet:

Example one: A full JS time processing function, although I did not carefully to study inside the regular, but I passed the test, is very good, you can according to your own needs to set the time format of the string output, I applied to the format:

The performance of JavaScript in the browser can be considered the most important usability issue that developers face. This problem is complicated by the blocking characteristics of JavaScript, that is, when JavaScript is running, other things

JavaScript is an integral part of Ajax technology, so it's important to learn JavaScript well and learn about Ajax and the current popular AJAX framework. First, the basic knowledge: 1.document.write (""); Output statementThe annotation in 2.JS is/

From about 09 onwards, MVC gradually shine in front of the field, and finally in the past 2015 with the introduction of react native ushered in a major outbreak: Angularjs, Emberjs, Backbone, Reactjs, Riotjs, Vuejs ... A series of names have come

This example describes the SHA-1 encryption algorithm implemented by JavaScript. Share to everyone for your reference, specific as follows: /** * Secure Hash algorithm (SHA1) * http://www.webtoolkit.info/* **/function SHA1 (msg) {function

Today, JavaScript has become the centerpiece of Web page editing. Especially in the past few years, the Internet has witnessed the emergence of a large number of JS libraries in the areas of spa development, graphic processing, and interaction. If