var array = noRepeat(trim(obj.className).split('\s+')); if(!inArray(array,classStr)){ array.push(classStr); } obj.className = array.join(' '); return obj; } 2、contains函数封装 function containsClass(obj,classStr){ var array = noRepeat(trim(obj.className).split('\s+')); if(...
Adding whitespace in a Javascript document.write So I'm currently creating a dynamic table using some JavaScript and a set of objects. I need to add in some white space between the two but one space isn't enough, I need to have it almost tabbed out... How...
获取节点方式 Lorem ipsum dolor sit amet consectetur adipisicing elit. Cum obcaecati animi inventore doloribus temporibus architecto ab ipsa, fuga cupiditate voluptatum labore maiores nesciunt omnis consequatur in asperiores rerum voluptatem non. 11 22 <!--shu--> dd //childNodes属性和chi...
for (const key in Tom) { console.log(key); } // Output: greet 1. 2. 3. 4. 5. 但是正如咱们所看到的,由于JS引擎沿着原型链向上查找,在“父”对象上找到greet属性。最后,不可配置意味着属性既不能修改也不能删除。 Tom.age = 80; = "evilchange"; delete ; var tomAge = Tom.age; var to...
*打印js对象详细信息 */ functionalertObj(obj) { vardescription =""; for(variinobj) { varproperty = obj[i]; description += i +" = "+ property +"\n"; } alert(description); } /** *通过class名和标签名获取css样式对象组 */
问document.getElementsByClassName in JavaScriptEN为什么下面的JS脚本不工作？谢谢。应同学邀请，演示如何...
>>> document.getElementsByClassName('a') HTMLCollection[] 是一种 array-like 对象,在 JavaScript 有 Array 之前就已经存在的东西。参见:Why are there so many array-like objects in the DOM?。有用3 回复 Goenitz 132269 发布于 2014-08-21 ...
getElementsByClassName()有不到 30 行代码的垫片,可用于在旧版本的 IE 中提供对它的支持,但在这一点上,我强烈建议你只是得到一个为您提供所有跨浏览器支持的选择器库。听起来您已经熟悉具有此类库的 jQuery。如果你不想/不需要 jQuery 的其余部分,你可以只得到一个选择器库。 jQuery 在内部使用 Sizzle,它本身...
($event)" v-for="itemabc in itemsABC" >{{itemabc}} 删 new Vue({ el: '#app', data:{ itemsCN:[ '京','津','沪','渝','冀','晋','辽','吉', '黑','苏','浙','皖','闽','赣','鲁','豫', '鄂','湘','粤','琼','川','贵','云','陕', '甘','青...
I have a node template in go.js with a "topArray" that might contain a several ports like in this example. For each top port I want to add a "controller" item - a small clickable r... what does the second www-data mean?