// querySelectorAll返回NodeList 对象,NodeList 不是一个数组,是一个类似数组的对象(Like Array Object)。// 虽然 NodeList 不是一个数组,但是可以使用 forEach() 来迭代。你还可以使用 Array.from() 将其转换为数组。returnArray.from(this.items).indexOf(this.getSelectedItem());}// 跳转到指定索引的图...
selectNode(p1); range2.selectNodeContents(p1); 选定节点或节点后代之后,还可以在范围上调用相应的方法,实现对范围中选区的更精细控制 setStartBefore(refNode),把范围的起点设置到 refNode 之前,从而让 refNode 成为选区的第一个子节点 setStartAfter(refNode),把范围的起点设置到 refNode 之后,从而将 ref...
Example: viewport: '#viewport' or { "selector": "#viewport", "padding": 0 } If a function is given, it is called with the triggering element DOM node as its only argument. The this context is set to the popover instance. Data attributes for individual popovers Options for individual ...
Options can be passed via data attributes or JavaScript. For data attributes, append the option name to data-, as in data-parent="". Nametypedefaultdescription parent selector false If a selector is provided, then all collapsible elements under the specified parent will be closed when this co...
export class DOMCleanup { static observer; static createObserver() { const target = document.querySelector('#cleanupDiv'); this.observer = new MutationObserver(function (mutations) { const targetRemoved = mutations.some(function (mutation) { const nodes = Array.from(mutation.removedNodes); return...
show(options) 显示dialog options 参数 title 标题,默认为“”,不显示标题 content 主内容,默认为"兄弟,你好像忘记传content的值了" skin 皮肤,默认为"",其实就是给dialog添加一个你的类名,方便重置样式 btns 按钮组,默认为['确认'],可选['xx',‘xx’],只取前两个作为有效值,第一个为confirm,第二个为...
member of the class:** {@link controls.Button.render | the render() method}** If a static and instance member have the same name, we can use a selector to distinguish them:** {@link controls.Button.(render:instance) | the render() method}** {@link controls.Button.(render:static)...
This is done by applying the desired effect to the layer's effect property as a string or an array of objects to set scale dependent effects. Notes Set featureEffect property if different effects need to be applied features that meet or fail a specified filter. If all of the following ...
obj.removeHandles(); // removes handles from default group obj.removeHandles("handle-group"); obj.removeHandles("other-handle-group"); setAttribute Method setAttribute(name, newValue) Sets a new value to the specified attribute. Parameters name String The name of the attribute to set. new...
function ready(element, options) { var people = [ { name: "John", age: 18, favoriteColor: "red" }, { name: "Tom", age: 16, favoriteColor: "green" }, { name: "Chris", age: 42, favoriteColor: "blue" }, ]; var section = element.querySelector("section[role=main]"); var ...