function toggleTheme() { const body = document.body; body.classList.toggle...JavaScript 功能: toggleTheme 函数通过 classList.toggle ...
3、classList获取样式class //divis an object reference to a element with class="foo bar"div.classList.remove("foo");div.classList.add("anotherclass");// if visible is set remove it, otherwiseadditdiv.classList.toggle("visible");//add/remove visible, depending ontestconditional, i less ...
elem.classList.add(c); }; removeClass=function(elem, c) { elem.classList.remove(c); }; }else{ hasClass=function(elem, c) {returnclassReg(c).test(elem.className); }; addClass=function(elem, c) {if(!hasClass(elem, c)) { elem.className= elem.className + ' ' +c; } }; remove...
div.classList.toggle("visible"); // add/remove visible, depending on test conditional, i less than 10 div.classList.toggle("visible", i < 10 ); alert(div.classList.contains("foo")); // add or remove multiple classes div.classList.add("foo", "bar", "baz"); div.classList.remove...
在CSS中定义一个隐藏类,然后使用JavaScript的classList.add()方法给元素添加这个类。 代码语言:txt 复制 /* CSS */ .hidden { display: none; } 代码语言:txt 复制 // JavaScript var liElement = document.getElementById("myListItem"); liElement.classList.add("hidden"); // 添加隐藏类,隐藏元素 3....
add or remove multiple classes div.classList.add(“foo”, “bar”, “baz”); div.classList.remove(“foo”, “bar”, “baz”); // add or remove multiple classes using spread syntax let cls = [“foo”, “bar”]; div.classList.add(…cls); div.classList.remove(…cls); // ...
Node.classList.add("class") 添加class Node.classList.remove("class") 移除class Node.classList.toggle("class") 切换class,有则移除,无则添加 Node.classList.contains("class") 检测是否存在class 自定义属性 js 里可以通过box1.index=100;box1.title来自定义属性和获取属性。
// altho to be fair, the api sucks because it won't accept multiple classes at once var hasClass,addClass,removeClass;if ('classList' in document.documentElement) { hasClass = function (elem, c) { return elem.classList.contains(c);};addClass = function (elem, c) { elem.classList....
.cls(class[, class2, class3, ...])adds classes (adding multiple classes doesn't work on IE). .empty()empties element. .remove()removes and returns element. .text(text)sets textContent of element. .text()returns textContent of element (doesn't work on Arrays). ...
test(className(el)) }, classRE(name)) }, addClass: function(name) { return this.each(function(idx) { classList = [] var cls = className(this), newName = funcArg(this, name, idx, cls) //处理同时多个类的情况,用空格分开 newName.split(/\s+/g).forEach(function(klass) { if (!