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getelementbyid
getElementById is a DOM method in JavaScript, used to obtain elements in HTML documents based on the element's id attribute. This method accepts a string parameter, the value of the id attribute of the element, and returns the element with that id attribute value. If no matching element is found, null is returned.
How to use getElementByIdgetElementById can obtain the corresponding HTML element through the id attribute of the element, and then operate and modify it conveniently. Whether it is to dynamically change the content and style of an element or add an event listener, getElementById is a very commonly used method.
How to write shorthand for document.getElementById() method in JavaScript?The document.getElementById() method allows us to access any HTML element using its id in JavaScript. Each web page can only contain a single HTML element with a single id. You can access any HTML element by its id using the sample code below. letelement=document.getElementById('id'); In the above code, we have used the getElementById() method of the document object and passed the id as a parameter. Now if we need to access multiple elements using id then use document.getElementById()
JavaScript method to get dom element querySelector() instead of getElementById()What this article brings to you is about the JavaScript method of obtaining dom elements querySelector() instead of getElementById(). It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.
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