math functions in javascript with examples

The examples in this article describe Ajax usage in JavaScript. Share to everyone for your reference. The specific analysis is as follows: To obtain XMLHttpRequest objects in a compatible way: var xhr = null; if (window. XMLHttpRequest) {//non ie browser xhr = window. XMLHttpRequest; } else if (window. ActiveXObject) {//ie browser try{ //high version, supported by msxml3.dll+ XHR = new

Javascript does not have any built-in formatting functions. Here we collect 5 javascript digital formatting functions through Google, hoping to bring convenience to your web development. Rounding in decimal format These two sections of code help you round the list and show the price or order more useful for you: Code 1

The js used in discuz is very good in compatibility and practicability of multiple browsers. We recommend you read var lang = new Array (); Var userAgent = navigator. userAgent. toLowerCase (); Var is_opera = userAgent. indexOf ('Opera ')! =-1 opera. version (); Var is_moz = (navigator. product = 'gecko ') userAgent. substr (userAgent. indexOf ('Firefox') + 8, 3 ); Var is_ie = (userAgent. indexOf ('msie ')! =-1 ! Is_opera) userAgent. substr (userAgent. indexOf ('msie ') + 5, 3 ); Function $

This article mainly introduces how to understand the callback function (callback) in javascript. This article focuses on understanding the callback function concept. If you need it, refer to the latest introduction to express, the use of callback functions with functions as parameters is everywhere. If you cannot understand this concept, the code of nodejs and ex

This article mainly introduces the implementation method of javascript provincial/municipal joint functions, and analyzes the specific skills of JavaScript to implement provincial/municipal joint menus in different examples, which has some reference value, for more information about how to implement the

This article mainly introduces the use cases of JavaScript Array functions unshift, shift, pop, and push. This article first explains how to declare arrays, and then provides some examples for the use of the four functions, for more information, see How to declare an array There are several methods to declare arrays i

javascript| function function is the basis of modular programming, writing complex AJAX applications, you must have a more in-depth understanding of the function. Functions in JavaScript are different from other languages, and each function is maintained and run as an object. By the nature of the function object, it is convenient to assign a function to a variabl

Functions are modularized. Program The basis of the design, writing complex Ajax applications, must have a deeper understanding of functions. Functions in JavaScript are different from other languages. Each function is maintained and run as an object. Through the properties of function objects, you can easily assign a

Overview function is the basis of modular programming, writing complex AJAX applications, you must have a more in-depth understanding of the function. Functions in JavaScript are different from other languages, and each function is maintained and run as an object. By the nature of the function object, it is convenient to assign a function to a variable or to pass the function as a parameter. Before continu

ajax| function function is the basis of modular programming, writing complex AJAX applications, you must have a more in-depth understanding of the function. Functions in JavaScript are different from other languages, and each function is maintained and run as an object. By the nature of the function object, it is convenient to assign a function to a variable or to pass the function as a parameter. Before co

------------------- The abstract is based on the anonymous tutorial summary. I hope it will help beginners in JS, because it solves the many puzzles I learned about Js... Functions are the basis for modular program design. To compile complex Ajax applications, you must have a deeper understanding of functions. Functions in Ja