.addClass( className )Returns:jQuery Description:Adds the specified class(es) to each element in the set of matched elements. version added:1.0.addClass( className ) className Type:String One or more space-separated classes to be added to the class attribute of each matched element. ...
❮ jQuery HTML/CSS Methods Example Add a class name to the first element: $("button").click(function(){ $("p:first").addClass("intro"); }); Try it Yourself » Definition and Usage The addClass() method adds one or more class names to the selected elements. This ...
//源码8449行 removeClass: function( value ) { var classes, elem, cur, curValue, clazz, j, finalValue, i = 0; //作用同上 if ( isFunction( value ) ) { return this.each( function( j ) { jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) ); } ); } //...
toggleClass(class|fn[,sw]) 概述 如果存在(不存在)就删除(添加)一个类。 参数 classString CSS类名 class,switchString,Boolean 1:要切换的CSS类名. 2:用于决定元素是否包含class的布尔值。 switchBoolean 用于决定元素是否包含class的布尔值。 function(index, class,switch)[, switch]Function,Boolean 1:用来...
//ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js">Document.size{height:200px;width:300px; }jQuery - AddClassClick the button to add some class to the selected element.AddClass$(document).ready(function(
I want to add class "error-item" to parent element (.form__item) if input has class "error" or add class "valid-item" if input has class "valid" for example: Your Name Member Arkni commented Jan 16, 2017 • edited You can use the highlight and unhighlight methods as...
在jQuery中,`addClass` 方法用于向匹配的元素添加一个或多个类名。如果你想在添加类的同时设置一个滑落动画,你可以结合使用CSS动画和jQuery。 以下是一个基本的例子: ### H...
<4>toggleClass 应用 Adds or removes the passed in class name to the Element, depending on whether or not it's already present. Examples: HTML JavaScript $('myElement').toggleClass('myClass'); Resulting HTML JavaScript $('myElement').toggle...
jQuery removeClassmethod tutorial. Example 1: Add a Single Class Name I have a paragraph element to which I will apply CSS Class calledred. 1 2 3 4 5 6 7 8 .red{ color: Red; } My Paragraph Add Class On the button Click I use thejQuery...
}//If the element has a class name or if we're passed "false",//then remove the whole classname (if there was one, the above saved it).//Otherwise bring back whatever was previously saved (if anything),//falling back to the empty string if nothing was stored.this.className =this.cl...