JavaScript

The standard event-bound function is a addEventListener function, and IE browser (IE9) is used attachEvent .// implement a generic, time-bound function across multiple browsers function addevent (el, type, fn) { if (window.addeventlistener) {

DOCTYPE HTML>HTML>HeadLang= "en">MetaCharSet= "UTF-8">title>title>Scripttype= "Text/javascript">//Event Delegate: Use the principle of bubbling to add events to the parent, triggering the execution effect//Benefits//1. Lifting Performance//2. Newly

Bubble sortLet compare = (n1, n2) = N1-n2;let Bubblesort = (arr, cmp = Compare) + = (Let i = 0; i for (Let j = i; j > 0; j--) { if (CMP (ARR[J], arr[j-1]) return arr;};Insert SortLet Insertionsort = (arr) + {= (let i = 0; i for (Let j =

Recently encountered a problem: there is a JavaScript script in HTML that defines a method that was not executed when using Webview.loadurl ("javascript: Method name ()") and laterCheck the data found is because webview in the loading of HTML to the

Recent situation: has been busy to find internships have not been updated, but the study is still continuing. I recently wrote node. JS and picked up the JavaScript corner for half a month to see Python and some deep CSS books and blogs. Work to

//FN (+/-)//Argument functionFN (a,b,c) {//Formal Parametersalert.log (arguments)//Popup [Object Arguments], is a collection of arguments arguments=>[1,2]Console.log (arguments)//[A]Alert (arguments.length)//arguments and LengthsAlert (Arguments[1]

Using concat to connect to arrays in JavaScript The following code demonstrates how to use the concat function to link multiple arrays in JS. 1 2 3 4 5 6 7 8 9 10 11 12 The above code runs as follows:

JavaScript uses indexOf to obtain the position of a substring in a string This example describes how JavaScript uses indexOf to obtain the position of a substring in a string. Share it with you for your reference. The details are as follows:

How to output the current Unix timestamp using JavaScript The details are as follows: The following code uses the getTime () of the Date object to return the unix timestamp, that is, the number of seconds from January 1, January 1, 1970 to the

How to obtain the current date by using JavaScript? JavaScript obtains the day of the week for the current date. It mainly obtains the day of the week for the current date through the getDay function. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1

CSS instance exercises and css instances The blue navigation is an image, which is implemented using background-image. The ul and li labels are used for layout, the dashed in border-bottom is used for underline, And the CSS float is used for the

CSS Tag selector (2) and css Tag Selector1. CSS selector Overview 1.1. CSS Functions CSS has two basic functions: matching and rendering. When parsing CSS styles, the browser should first determine which elements need to be rendered, that is,

Solve the problem of communication between the parent page and iframe page through pseudo-Protocol We often have operations on parent pages and iframe pages, such The content in this iframe is written in js. As shown in the following code:  

Implementation Code of Jquery webpage sliding buffer navigation If the webpage is too long and requires in-page navigation, we usually set the ID in the target output, for example, , set a link address on the current page, for example, click to

JavaScript code used to determine whether a webpage advertisement is intercepted and filtered by a browser Currently, it is not as easy to make money by advertising as in the past few years. Currently, most browsers have intercepted advertisements.

Search Algorithms for javascript data structures and algorithms There are two ways to query data: sequential search and binary search. Sequential search lists suitable for random arrangement of elements. Binary Search applies to the list of sorted

Use jquery to create a pop-up box The JS pop-up box plug-in made in China is developed by the front-end engineer alien and provides various types of custom dialog boxes. It is easy to use and has good browser compatibility. the pop-up box modes

JQuery makes concise image carousel Effects Demo diagram: Core code: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 $ (Document). ready (function (

The method for JavaScript to obtain the first link ID in the webpage, which is obtained by javascript. This example describes how to use JavaScript to obtain the first link ID of a webpage. Share it with you for your reference. The details are as

Small Tool for converting SQL statements into stringBuffer using javascript, sqlstringbuffer SQL is a small tool for converting SQL into stringBuffer. It is very troublesome to splice SQL at the dao layer. This tool can be used to quickly splice