<!DOCTYPE html> <html> <head> <script src="//code.jquery.com/jquery-1.11.1.min.js"></script> <meta charset="utf-8"> <title>Add a class to an element</title> <style> p { margin: 10px; font-size: 22px; } .myclass
JQuery provides a built-in function called removeClass() that can be used to remove one or more class names from the specified element. Syntax $(selector).removeClass(className, function(index, currentClassName)) Approach We are going to make use of the above discussed addClass() and remov...
Add two classes to an element How to add two class names to a specified element. Add classes using a function How to add classes to selected elements using a function. Change the class name of an element How to use addClass() and removeClass() to remove one class name, and add a ne...
version added:3.3.addClass( function ) function Type:Function(Integerindex,StringcurrentClassName ) =>String|Array A function returning one or more space-separated class names or an array of class names to be added to the existing class name(s). Receives the index position of the element in ...
$(”p”).toggle(function(){$(this).addClass(”selected”);},function(){$(this).removeClass(”selected”);}); 元素事件列表说明注:不带参数的函数,其参数为可选的 fn。jQuery不支持form元素的reset事件。 事件 描述 支持元素或对象 blur() 元素失去焦点 a, input, textarea, button, select, label...
如果不指定target,则给jQuery命名空间本身进行扩展。这有助于插件作者为jQuery增加新方法。 如果第一个参数设置为true,则jQuery返回一个深层次的副本,递归地复制找到的任何对象。否则的话,副本会与原对象共享结构。 未定义的属性将不会被复制,然而从对象的原型继承的属性将会被复制。
$(”p”).addClass(css中定义的样式类型); 给某个元素添加样式 $(”img”).attr({src:”test.jpg”,alt:”test Image”}); 给某个元素添加属性/值,参数是map $(”img”).attr(”src”,”test.jpg”); 给某个元素添加属性/值 $(”img”).attr(”title”, function() { return this.src });...
Exercise: Use a jQuery method to insert the text "YES!" at the end of a <p> element. $("p"). ("YES!"); Submit Answer » Start the ExercisejQuery HTML ReferenceFor a complete overview of all jQuery HTML methods, please go to our jQuery HTML/CSS Reference.❮...
(element).addClass("valid").removeClass("error"); }, rules: { "user[username]": { required: true, rangelength: [3,25], remote: "/users/unique_username" }, "user[password]": { required: true, rangelength: [4, 50] }, "user[first_name]": { required: true }, "user[password...
$("div.lazy").lazyload(); // Or add some effect $("div.lazy").lazyload({ effect : "fadeIn" }); See `enabled_background.html` Scrolling in a container <img class="lazy" data-original="img/example.jpg" width="765" height="574"> ...