To toggle a class of an element, you use the toggle() method of the classList property of the element. element.classList.toggle(className); If the element has the className, the toggle() method removes it. If the element doesn’t have the className, the toggle() method adds the classNa...
UseElement.classListandDOMTokenList.toggle()to toggle the specified class for the element. consttoggleClass=(el,className)=>el.classList.toggle(className);// EXAMPLEtoggleClass(document.querySelector('p.special'),'special');// The paragraph will not have the 'special' class anymore Source...
element.classList.toggle(s); }); } 运行代码片段试试 box.onclick = function() { 'class1 class2'.split(' ').forEach(function(s) { box.classList.toggle(s); stdout.innerHTML = box.className; }); } /* alternative box.onclick = function() { ['class1', 'class2'].forEach(functio...
浏览器对象模型(Browser Object Model,简称BOM)定义了与浏览器进行交互的方法和接口,BOM与DOM不同,其既没有标准的实现,也没有严格的定义, 所以浏览器厂商可以自由地实现BOM。BOM由多个对象组成,其中代表浏览器窗口的Window对象是BOM的顶层对象,其他对象都是该对象的子对象。 1.2、JavaScript特点 JavaScript主要被作为客...
var arrayObj = new Array(); var arrayObj = new Array([size]); var arrayObj = new Array([element0[, element1[, ...[, elementN]]]); 示例: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 vararray11=newArray();//空数组vararray12=newArray(5);//指定长度,可越界vararray13=new...
The toggle() method of the classList property can be used to toggle a CSS class from an HTML element. This method takes in the class name as input, and toggle it. If the class already exists in the element's classList, it is removed. Otherwise, it adds it to the classList. Let ...
Toggle Class of an HTML Element on Mouse Click in JavaScript We will introduce a method to toggle the class of HTML elements by using JavaScript. Toggle Class of an HTML Element on Mouse Hover in JavaScript Toggling the class means if there is no class name assigned to the HTML element, ...
Toggle Class on button Click using Javascript In the first example, we will see how to toggle class of an element when a button's onClick event is called. Here is the sample HTML Click Me to toggle class and CSS .btn{padding:20px10px;color:white;border:none; }.red{background-color...
myDiv.classList.toggle("myClass"); 当myClass存在时,删除该属性,当myClass不存在时,使用该属性 4)检测myClass属性是否存在 myDiv.classList.contains("myClass"); 2.尺寸属性 Element.clientHeight //返回元素节点可见部分的高度 Element.clientWidth //返回元素节点可见部分的宽度 ...
我将淡入显示 使用JavaScript控制动画 虽然上述CSS动画已足够,但你也可以通过JavaScript来添加或移除类名来控制动画的播放。 function toggleFade() { var element = document.getElementById('fadeElement'); element.classList.toggle('fade-in'); // 切换淡入效果 } 五、实践建议 考虑子元素:设置元素的opacity时...