_top: HTML 4: Load the response into the full original window, and cancel all other frames. HTML5: Load the response into the top-level browsing context (i.e., the browsing context that is an ancestor of the current one, and has no parent). If there is no parent, this option behav...
Because the <legend> element is very important for accessibility reasons, it will be spoken by assistive technologies as part of the label of each form element inside the fieldset, it's quite often paired with a title, and then hidden in an accessible way. For example: HTML: <fieldset> ...
Full support Full support See also Node.textContentandHTMLElement.innerText Element.insertAdjacentHTML() Element.outerHTML Parsing HTML or XML into a DOM tree:DOMParser Serializing a DOM tree into an XML string:XMLSerializer Element.getHTML()
Full support Full support See also Node.textContentandHTMLElement.innerText Element.insertAdjacentHTML() Element.outerHTML Parsing HTML or XML into a DOM tree:DOMParser Serializing a DOM tree into an XML string:XMLSerializer Element.getHTML()
Full support Full support See also Node.textContentandHTMLElement.innerText Element.insertAdjacentHTML() Element.outerHTML Parsing HTML or XML into a DOM tree:DOMParser Serializing a DOM tree into an XML string:XMLSerializer Element.getHTML()
Learn more See full compatibility Report feedback 与其他语言相比,函数的 this 关键字在JavaScript 中的表现略有不同,此外,在严格模式和非严格模式之间也会有一些差别。 在绝大多数情况下,函数的调用方式决定了 this 的值(运行时绑定)。this 不能在执行期间被赋值,并且在每次函数被调用时 this 的值也可能会不...
WebView on iOS type="submit" Legend Tip: you can click/tap on a cell for more information. Full support Full support See implementation notes. See also <input>and theHTMLInputElementinterface which implements it. Forms and buttons HTML forms ...
marginheightHTML 4only 框架内容到框架的上下边距,以像素格式表示。 marginwidthHTML 4only 框架内容到框架的左右边距,以像素格式表示。 mozallowfullscreen In Gecko 9.0 or later, this attribute can be set totrueif the frame is allowed to be placed into full screen mode by calling itselement.mozReques...
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Chrome Android Firefox for Android Opera Android Safari on iOS Samsung Internet WebView Android WebView on iOS resetevent Legend Tip: you can click/tap on a cell for more information. Full support Full support See also HTML<form>element