https://github.com/eligrey/classList.js/blob/master/classList.js if ("document" in self) { // Full polyfill for browsers with no classList support if (!("classList" in document.createElement("_"))) { (function (view) { "use strict"; if (!('Element' in view)) return; var clas...
//var re = /\bbtn\b/; var aEle = oParent.getElementsByTagName("*"); for(var i = 0; i < aEle.length; i++){ if(re.test(aEle[i].className)){ ret.push(aEle[i]); } } return ret; } function addClass(obj,sClass){ var re = new RegExp("\\b"+sClass+"\\b"); if...
function hasClass(obj, cls) { return obj.className.match(new RegExp('(\\s|^)' + cls + '(\\s|$)')); } function addClass(obj, cls) { if (!this.hasClass(obj, cls)) obj.className += " " + cls; } function removeClass(obj, cls) { if (hasClass(obj, cls)) { var reg =...
Remove a class: w3.removeClass(selector,'class') Remove multiple classes: w3.removeClass(selector,'class1 class2 class3...') Remove Class by IdRemove the "marked" class from an element with id="London":Example Remove Class Try It Yourself » With CSS » Remove Class by TagRemove ...
表示这个值是字符串“number” 表示这个值是数字“object” 表示这个值是对象或null,可理解为null是对象的占位符“function” 表示这个值是函数 三、JavaScript实现...jQuery中的addClass()、removeClass()、hasClass() function ha...
...由于 js 中的 i 是从 0 开始的,所以就变成了 0 1 2 3 ,四个一循环。 js...("num_0"); }else{ if(i % 4 == 0){ $(li).addClass("num_"+0); ...}else{ $(li).addClass("num_"+(i%4)); } } } }); }); 9.6K30...
Here's what your JavaScript code should look like with the event handler added:JavaScript Copy 'use strict'; const switcher = document.querySelector('.btn'); switcher.addEventListener('click', function() { document.body.classList.toggle('light-theme'); document.body.classList.toggle('dark-...
.addClass( className [, duration ] [, easing ] [, complete ] )Returns:jQuery Description:Adds the specified class(es) to each of the set of matched elements while animating all style changes. .addClass( className [, duration ] [, easing ] [, complete ] ) ...
// Link to full sample: https://raw.githubusercontent.com/OfficeDev/office-js-snippets/prod/samples/word/50-document/manage-styles.yaml // Gets the number of available styles stored with the document. await Word.run(async (context) => { const styles: Word.StyleCollection = context.document...
// Link to full sample: https://raw.githubusercontent.com/OfficeDev/office-js-snippets/prod/samples/excel/54-worksheet/gridlines.yaml await Excel.run(async (context) => { const sheet = context.workbook.worksheets.getActiveWorksheet(); sheet.showGridlines = true; await context.sync(); });...