This question already has an answer here: Change an element's class with JavaScript 30 answers JavaScript function toggleClass(element, origin, target) { var newClass = element.className.split(" "); for (var i = 0, i < newClass.length; i++) { if (origin.localeCompare(newClass[i]) == 0) { newClass[i] = target; }; }; element.className = newCla
这个问题在这里已经有了答案： 使用JavaScript 30个答案更改元素的类 JavaScript的 function toggleClass(element, origin, target) { var newClass = element.className.split(" "); for (var i = 0, i < newClass.length; i++) { if (origin.localeCompare(newClass[i]) == 0) { newClass[i] = target; }; }; element.className = newClass.join(" "); }; // Usage var im
This question already has an answer here: Change an element's class with JavaScript 30 answers 你应该用“绑定”来调用你的函数来保持“this”的范围。 window.setTimeout( function(){ this.className = 'closeMenuButtonNotActive'; }.bind(this), 500); That's because this is refering to window on this function: window.setTimeout(function() { // Wrong this this.className = 'closeMenuButton
这个问题在这里已经有了答案： 使用JavaScript 30个答案更改元素的类 你应该用“绑定”来调用你的函数来保持“this”的范围。 window.setTimeout( function(){ this.className = 'closeMenuButtonNotActive'; }.bind(this), 500); 这是因为this是关于这个函数的window ： window.setTimeout(function() { // Wrong this this.className = 'closeMenuButtonNotActive'; },500); 相反，你可以这样做 var elem = this;
This question already has an answer here: Change an element's class with JavaScript 30 answers You can use if(document.getElementById("MyId").className == "hide") document.getElementById("MyId").className = "show"; else document.getElementById("MyId").className = "hide"; But you need first to give an ID to the div.. Please find below a working example: http://jsfiddle.net/HvmmY/
这个问题在这里已经有了答案： 使用JavaScript 30个答案更改元素的类 您可以使用 if(document.getElementById("MyId").className == "hide") document.getElementById("MyId").className = "show"; else document.getElementById("MyId").className = "hide"; 但是你需要先给ID分配一个ID ..请在下面找到一个工作示例：http://jsfiddle.net/HvmmY/ 如果您只是试图显示/隐藏某个元素，则可以使用style.display属性
This question already has an answer here: Change an element's class with JavaScript 30 answers You need to use className . Try: div[0].className = "tagging"; If you want to add tha class to the existing one you can use: div[0].className += " tagging"; // adding white-space is important Demo here To read: MDN className . use className , so change: var div = document.getElementsB
这个问题在这里已经有了答案： 使用JavaScript 30个答案更改元素的类 你需要使用className 。 尝试： div[0].className = "tagging"; 如果你想添加临时类到你可以使用的现有类： div[0].className += " tagging"; // adding white-space is important 在这里演示 阅读： MDN className 。 使用className ，所以改变： var div = document.getElementsByTagName("div"); div[0].class = "tagging"; 至 var div =
This question already has an answer here: Change an element's class with JavaScript 30 answers You can use className property : element2.className = "chosen-select"; Documentation
这个问题在这里已经有了答案： 使用JavaScript 30个答案更改元素的类 你可以使用className属性： element2.className = "chosen-select"; 文档
This question already has an answer here: Change an element's class with JavaScript 30 answers Add class to element 4 answers You have to wrap X in a <td> : http://jsfiddle.net/DerekL/CVxP7/ <tr>...<td id="x" class="show">x</td></tr> Also you have to add case in front of "a": case "a": document.getElementById("x").setAttribute("class", "s
这个问题在这里已经有了答案： 使用JavaScript 30个答案更改元素的类 将类添加到元素4的答案 你必须将X包装在<td> ： http://jsfiddle.net/DerekL/CVxP7/ <tr>...<td id="x" class="show">x</td></tr> 还有，你必须在"a":前面添加case "a": case "a": document.getElementById("x").setAttribute("class", "show"); break; PS：有一种更有效的方式来实现
Possible Duplicate: Change an element's CSS class with JavaScript I'm trying to set div's attributes with this script. And i have problem in third line, where I'm trying to get div-s from parent div which id is "loading". but here the problem, it seems like there in variable divs is nothing. why's that? Script: function blink() { document.getElemen
可能重复： 使用JavaScript更改元素的CSS类 我试图用这个脚本来设置div的属性。 我有问题在第三行，我想从父div的哪个id是“加载”的div-s。 但在这里的问题，似乎在变量divs中没有什么。 为什么？ 脚本： function blink() { document.getElementById("loading").setAttribute("class","loader"); var divs = document.getElementById("loading").getElementsByTagName("div"); alert(divs[0].
This question already has an answer here: Change an element's class with JavaScript 30 answers The right and standard way to do it is using classList . It is now widely supported in the latest version of most modern browsers: ELEMENT.classList.remove("CLASS_NAME"); Documentation: https://developer.mozilla.org/en/DOM/element.classList document.getElementById("MyID").className = doc
这个问题在这里已经有了答案： 使用JavaScript 30个答案更改元素的类 正确和标准的方法是使用classList 。 它现在在最新版本的最新浏览器中得到广泛支持： ELEMENT.classList.remove("CLASS_NAME"); 文档：https：//developer.mozilla.org/en/DOM/element.classList document.getElementById("MyID").className = document.getElementById("MyID").className.replace(/bMyClassb/,''); 其中MyID是元素的ID，MyClass
I've tried using jquery's built in draggable and I've tried using custom drag functions with no avail. Both have their respected issues and I will try to highlight both of them. Basically, I am trying to allow the dragging of an element that is on a scaled div container. The following methods work okay on a scaled element that is less than around 2 . But if you go any higher than
我试过使用jQuery的内置可拖动和我试图使用自定义拖动功能没有用。 两者都有他们尊重的问题，我会尽力强调他们两个。 基本上，我试图允许拖动缩放的div容器上的元素。 以下方法可以在小于2左右的缩放元素上正常工作。 但是如果你比这更高，我们会看到一些问题。 任何帮助，将不胜感激。 感谢您的时间。 HTML <div id="container"> <div id="dragme">Hi</div> </div> 方法1（jQuery可拖
I am using heatmap.js to overlay a heatmap using the GoogleMaps plugin. I would like to be able to download the picture as an image along with the heatmap overlay. I tried the method heatmapInstance.getDataURL() only returns the overlay region and not along with the image on which it is overlayed. You need to create an id which is used inside of your div and script tags var heatmapInstance =
我正在使用heatmap.js覆盖使用GoogleMaps插件的热图。 我希望能够将图片作为图像和热图贴图一起下载。 我尝试了方法heatmapInstance.getDataURL（）只返回重叠区域，而不是与它覆盖的图像一起。 你需要创建一个在你的div和脚本标签中使用的id var heatmapInstance = h337.create({ container: document.getElementById('heatMap') }); 正如你所看到的，我通过id'heatmap'获得了元素。 因此，在您想要将图片放