javascript innerHTML adding instead of replacing

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quick question, i know we can change the content of a

<div id="whatEverId">hello one<div> by using:

document.getElementById("whatEverId").innerHTML="hello two";

now, is there a way I can ADD stuff to the div instead of replacing it??? so i can get

<div id="whatEverId">hello one hello two<div>

(using something similar of course)

<div id="whatever">hello one</div>
<script>
document.getElementById("whatever").innerHTML += " hello two";
</script>

How to append HTML code to a div using JavaScript, To append using the innerHTML attribute, first select the element (div) where you want to append the code. Then, add the code enclosed as strings using the +=  The better way of doing it is to use document.createTextNode. One of the main reasons for using this function instead of innerHTML is that all HTML character escaping will be taken care of for you whereas you would have to escape your string yourself if you were simply setting innerHTML.

document.getElementById("whatEverId").innerHTML =  document.getElementById("whatEverId").innerHTML +  "hello two" + document.getElementById("whatEverId").innerHTM ;

Element.innerHTML, Insert a new element or an HTML structure to the end or the beginning of another element's content. Using the property innerHTML of an element to get or modify  You are replacing the starting tag and then putting that back in innerHTML, so the code will be invalid.Make all the replacements before you put the code back in the element:

What jcomeau_ictx suggested is an inefficient way of editing the innerHTML. Check Ben cherry's PPT http://www.bcherry.net/talks/js-better-faster

The correct way will be detaching the element and making changes to it and then appending it back to the parent node. Use https://gist.github.com/cowboy/938767 Native javascript from this gist to detach element.

HTML DOM innerHTML Property, In this tutorial, you will learn how to use the JavaScript innerHTML property of The setting will replace the existing content of an element with the new content. to insert plain text into the document, you use the textContent property instead of​  Get and Replace HTML content with outerHTML outerHTML is a JavaScript property that can be used to get the string with a HTML element, including its tag, attributes and child elements, also it can replace a HTML tag (including its content) with other HTML content.

If you are appending, you can just change your = to a +=

document.getElementById("whatEverId").innerHTML += 'hello two';

If prefixing

document.getElementById("whatEverId").innerHTML = 'hello two' + document.getElementById("whatEverId").innerHTML;

Although I would highly recommend using jQuery or MooTools javascript libraries/frameworks to do this sort of thing. If you're adding tags not just text nodes, then you should use the DOM createElement or one of the aforementioned libraries/frameworks.

Append or prepend to an element, However, is there a way to use innerHTML without destroying the Note that you can also use any JavaScript string manipulation method. Do not forget to take a look at String.replace() combined with the magic of RegExp. The innerHTML=”new content” portion of the statement directs the browser to replace the inner HTML area or the space between the HTML element tags with the content represented by new content between the quotation marks. Notice also, the periods located within the statement.

You can do it by appending div string like this..

document.getElementById('div_id').innerHTML += 'Hello Two';

JavaScript innerHTML, By changing an element's innerHTML after some user interaction, you can make much With that id in place you will be able to use the getElementById function, By adding a Text Input, we can take to updating our bold text with whatever the​  If you want to add HTML after what’s already in an element instead of replacing it entirely you can use +=. // Add HTML to the end of an element's existing content elem . innerHTML += ' Add this after what is already there.'

innerHTML to add content?, replaceWith(nodes or strings) –- replaces node with the given innerHTML = '​prepend' ; ol . prepend ( liFirst ) ; // insert liFirst at the text) – the same syntax, but a string of text is inserted “as text” instead of HTML,; elem. The innerHTML property sets or returns the HTML content (inner HTML) of an element. Browser Support. Return the innerHTML property: HTMLElementObject .innerHTML. Set the innerHTML property: HTMLElementObject .innerHTML = text. Property Values. Specifies the HTML content of an element. Technical Details. A String, representing the HTML content

Javascript Tutorial - innerHTML, Description: Replace each element in the set of matched elements with the provided new replaceWith() would attempt to add or change nodes in the current jQuery set if the first node in and in those cases return a new jQuery set rather than the original set. <script src="https://code.jquery.com/jquery-3.5.0.js"​></script>. getElementById is probably the easiest and most commonly used way for JavaScript programmers to work directly with HTML. Its purpose is to locate an individual element in a document so that you can change it, delete it, or add some­thing to it. Another word for locating an element is selecting an element. To use getElementById, first make sure

Modifying the document, To insert the HTML into the document rather than replace the contents of an element, use the method insertAdjacentHTML(). Syntax const content = element.innerHTML; element.innerHTML = htmlString; Value. A DOMString containing the HTML serialization of the element's descendants.