var parent = document.getElementById("parent"); // parent.className = parent.className + " newDiv"; //添加classname 既html中的div 的class变为 class = "google newDiv" parent.className = " newDiv"; //改变classname 既html中的div 的class变为 class = "newDiv" } child 1. 2....
indexOfhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf trim:https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/Trim 由于现代浏览器都基本支持了classList,所以移动端可以直接使用classList会更方便一些,如: var div = d...
It's a JavaScript convention to use camel case for variable names with more than one word; for example, the variable className. Console message As a web developer, you can create hidden messages that aren't visible on your webpage, but that you can read in the Developer Tools in the Con...
if (1 in arguments && !this.contains(token) === !force) { return force; } else { return _toggle.call(this, token); } }; } testElement = null; }()); } } 原生JavaScript 类似于jQuery库的使用方式,使用className通过正则来添加或者删除class。 addClass、removeClass、toggleClass、hasClass fu...
elem.className= elem.className + ' ' +c; } }; removeClass=function(elem, c) { elem.className= elem.className.replace(classReg(c), ' '); }; }functiontoggleClass(elem, c) {varfn = hasClass(elem, c) ?removeClass : addClass; ...
} function removeClass(obj, cls) { if (hasClass(obj, cls)) { var reg = new RegExp('(\\s|^)' + cls + '(\\s|$)'); obj.className = obj.className.replace(reg, ' '); } } 采用这种方式同样实现了 JQuery的效果。
obj.className = removed;//替换原来的 class. } function hasClass(obj, cls){ var obj_class = obj.className,//获取 class 内容. obj_class_lst = obj_class.split(/\s+/);//通过split空字符将cls转换成数组. x = 0; for(x in obj_class_lst) { ...
ele.className = cln.join(' '); } }); } /** * toggleClass * @param (element, 'c1 c2 c3') */ function toggleClass(ele, c){ ctrlClass({ ele: ele, c: c, fun: function(opts) { var ele = opts.ele, c = opts.c;
className: In the styles.css file, we can see a playerButton class, so we'll assign it here. onclick: This function is what we want our app to call when the button is selected. playerImage: We'll add the player's image to the button, instead of their name.After...
在 Javascript 中实现类似 jquery 的 addClass、removeClass我试图使用队列和任务运行器来解决这个问题。