Introduction to several ways to get HTML objects from JS

Source: Internet
Author: User
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This article mainly introduces JS access to HTML objects in several ways, the need for friends can refer to

document.getElementById ("ZX"); Gets the HTML element object from the ID, which should be unique within the HTML document. Returns a unique element object.   And all browsers are compatible.   document.getElementsByTagName ("span") [0]; Find HTML objects by tags, because HTML tags can be repeated many times in one page, so the current page returns an array. You can locate an object of an element based on where the label appears.     All browsers are compatible.   Document.getelementsbyname ("hh") [0]; The Name property is used to locate the HTML object, but not all tags have the name attribute, but we can add the Name property artificially, which can also be positioned, because the name attribute may have multiple, not unique. So this method returns an array, and we can also locate the name based on the location of name in HTML.     IE series is not compatible, it is not recommended to use.   InnerHTML: This method is to get the HTML element of the concrete HTML code document.getElementById ("ZX"). InnerHTML; You can also update the HTML code for the element: document.getElementById ("ZX"). Innerhtml= "<b> Let's date ~</b>";
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