element.classList.remove("hidden"); 除了使用隐藏类,还可以通过直接设置元素的style属性来实现元素的隐藏。例如,可以通过以下方式在JavaScript中隐藏元素: 代码语言:txt 复制 element.style.display = "none"; 上述代码将设置元素的display属性为none,从而使元素在页面中不可见。取消元素的隐藏可以通过将display属性设置...
/* 获得类的值 */标签对象.classList//获取所有样式类名(字符串) ,首先获取标签对象/* 删除类的值 */标签对象.classList.remove(cls)//删除指定类/* 添加类的值 */标签对象.classList.add(cls)//添加类/* 判断类是否包含cls值 */标签对象.classList.contains(cls)//存在返回true,否则返回false/* 类的...
type, handler) { if (element.addEventListener) { element.addEventListener(type, handler, false); } else if (element.attachEvent) { element.attachEvent("on" + type, handler); } else { element["on" + type] = handler; } }, // 移除事件 removeEvent: function(...
Note: The data-toggle="dropdown" attribute is relied on for closing dropdown menus at an application level, so it's a good idea to always use it. Via data attributes Add data-toggle="dropdown" to a link or button to toggle a dropdown. Dropdown trigger ... To keep URLs...
removeAttribute() -> {promise | void} Removes an attribute from a field where calledYou can remove the following attributes with removeAttribute:- aria-invalid- aria-required- disabled- placeholder removeClass() -> {promise | void} Pass the class name as a string in removeClass to rem...
getElementById();getElementsByName();getElementsByTagName();getElementsByClassName();querySelector();querySelectorAll(); (4)属性操作 getAttribute(key);setAttribute(key, value);hasAttribute(key);removeAttribute(key); 72. innerHTML 与 outerHTML 的区别? 对于这样一个 HTML 元素:...
Since we are not mutating the DOM by setting data-dblclick attributes, we won't need to remove the attribute using a setTimeout, 5.2 'EDIT' update case Test In keeping with our TDD approach, our first step when adding the case expression for 'EDIT' in the update function is to write ...
modal.hidden = false; modal.focus(); }; It’s very simple: We store the button that opened the modal; Then we show it by removing the attributehidden; Then we bring the focus to the modal with thefocus()method. It’s essential that you store the buttonbeforebringing the focus to the...
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<String> value Required The value of the attribute. Set this value as null to remove the attribute. centerAndZoom(mapPoint, levelOrFactor) Centers and zooms the map. At version 3.4, this method returns a deferred object. You can add a callback to the deferred object and get notified afte...