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Ajax learning notes AJAX is a developer's dream because you can: Update web pages without refreshing pagesRequest data from the server after the page is loadedReceive data from the server after the page is loadedSend data to the server in the background 1. Native js implements ajax <script> var box = $(".box"); $("button").cli ...

                  The back end is as written in the previous two articles.         The front end picked up a front-end page from the Internet and used the JavaScript library jQuery to simplify the operation of DOM and BOM. I want to use ajax technology to initiate HTTP requests and ...

display: flex; // Used to turn on elastic layout Before learning flex flexible layout, we need to understand the following concepts: Elastic containerElastic projectprincipal axisCross axis catalogue 1. Elastic container 2. Flexible items 3. Spindle 4. Cross axis 5. Elastic setting 6. Communication 1. Elastic container Def ...

jQuery basic overview, please stamp: Overview and basic usage of jQuery 1, jQuery common API s 1. jQuery selector $('selector') (1) Basic selector: ID selector: $("#id");Select all:*Class:Labels: divUnion: div, spanIntersection: li.current (2) Level selector: Offspring: $("UL > Li");Descendants: $("ul li" ...

In this section, we will learn how to get or set the width and height of elements through the methods provided in jQuery. The methods used to obtain and set the width and height in jQuery are as follows: methoddescribewidth()Sets or returns the width of the elementheight()Sets or returns the height of the elementinnerWidth()Returns the width ...

1, Ajax $.ajax({ url:"Server interface address", type:"get or post", //Request type data:{ //If there are no parameters, they can be omitted Parameter name: Parameter value, ... : ... }, dataType:"json", //Automatically call JSON.parse() to convert the json string returned by the server into an array or object directly ...

1. jQuery selector 1.1 jQuery Basic Selector Native JS fetches elements in a variety of ways, is complex, and has inconsistent compatibility, so jQuery encapsulates us to achieve a uniform standard for fetching elements. $("selector") // Inside selector Write CSS selector directly, but quote NameusagedescribeSelect all selectors$("*")Match ...

  rem layout and introduce js code into the page. (function (doc, win) { var docEl = doc.documentElement, resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize', recalc = function () { var clientWidth = docEl.clientWidth; if (!clientWidth) return; if (clientWidth > 1024) { docEl.s ...

1. Simple introduction to JQuery 1.1 introduction to JQuery jQuery is a JavaScript library.The so-called library is a JS file, which encapsulates many predefined functions, such as obtaining elements, performing hiding, moving, etc. The purpose is to call directly when in use without repeated definition, which can greatly simplify JavaScr ...

Hello, I'm hottie. I'll organize jQuery learning tutorials for you today.   catalogue 1, Introduction to jQuery 2, Usage of jQuery 3, jQuery selector 4, Selection set filtering 5, Selection set transfer 6, Get and set element content 7, Get and set element properties 8, jQuery event 9, Event agent 10, JavaScript object 11, json ...