在DOM中根据标签去获取元素的原生api是getElementsByTagName(),它返回的是一个包含所有给定标签名称的元素 HTML集合HTMLCollection[1], 整个文件结构都会被搜索,包括根节点。 我们可以通过document.getElementsByTagName('*')来获取当前文档中的所有标签。 HTMLCollection 还有一点需要注意: HTMLCollection 对象是一种类数组...
getElementById()Returns the element that has the ID attribute with the specified value getElementsByClassName()Returns anHTMLCollectioncontaining all elements with the specified class name getElementsByName()Returns an liveNodeListcontaining all elements with the specified name ...
s originally created. when you access these objects, lightning locker returns a proxy object. any object that implements the htmlcollection interface a secureelement object, which represents an html element. see also dom access containment secure wrappers arrays proxied when passed to child components...
children Returns an HTMLCollection of an element's child elements classList Returns the class name(s) of an element className Sets or returns the value of the class attribute of an element click() Simulates a mouse-click on an element clientHeight Returns the height of an element, including ...
qufu 和 sex你的赋值是对象啊，不是sex[i].value
(Object.getOwnPropertyDescriptor(x, 'baz')); Run Results: { value: 1, writable: true, enumerable: true, configurable: true } { get: get bar() { return 'a'; }, set: undefined, enumerable: true, configurable: true } { value: 2, writable: true, enumerable: false, configurable: true...
二、innerHTML 由于innerText和text【技术创作101训练营】innerHTML插入运行js字符串问题探究type...
a native javascript object or array. the object or array isn’t filtered when it’s originally created. when you access these objects, lightning locker returns a proxy object. any object that implements the htmlcollection interface a secureelement object, which represents an html element. see ...
在你的代码中修复错误[object Object],首先需要了解错误的具体信息。[object Object]是一个占位符,表示一个对象。修复错误的关键是找到引发错误的原因,并采取相应的措施进行修复。 以下是一些可能的步骤和方法,供你参考: 查看错误信息:首先,你需要查看错误信息,确定错误的类型和位置。错误信息通常会提供一些...
此例用 document 对象的 getElementsByTagName() 方法 (method) ，取得标签名称为 thead 的 HTMLCollection 对象，文件的第一个 <thead> 元素亦即该 HTMLCollection 索引值为 0 的对象 var d = document.getElementsByTagName("thead");d[0].deleteRow(0);然后呼叫 deleteRow() 删除索引值为 0 的...