Jun 10, 2016 · I don't think a browser would have a problem by adding an id attribute to a script element. On some of my sites, that load additional JavaScripts via JavaScript, I have added a class attribute to make referencing them easier.

Feb 7, 2017 · I've noticed that some web developers put IDs on scripts tags. For example: I know that according the W3C this is perfectly legal markup, but what's the benefits of doing this? The one use I've seen of this is if you want to provide widget for customers and you instruct them to place the <script> tag wherever they want the widget to show up.

document.getElementById("demo").innerHTML = "Hello JavaScript!"; The <script> tag is used to embed a client-side script (JavaScript). The <script> element either contains scripting statements, or it points to an external script file through the src attribute.

Sep 3, 2010 · So essentially, by nesting the script inside of an element with an id, we can get to the script from another script and also have valid markup. Additional note: in the HTML 4 spec, id was genuinely not allowed on the script tag: id All elements but BASE, HEAD, HTML, META, SCRIPT, STYLE, TITLE ID #IMPLIED document-wide unique id.

Specifies that you want the browser to send an Attribution-Reporting-Eligible header along with the script resource request.

Sep 30, 2023 · The id attribute assigns an identifier to the <script> element. The id allows JavaScript to easily access the <script> element. It is also used to point to a specific id selector in a style sheet.

To select an HTML element, JavaScript most often uses the document.getElementById() method. This JavaScript example writes "Hello JavaScript!" into an HTML element with id="demo": document.getElementById("demo").innerHTML = "Hello JavaScript!"; Tip: You can learn much more about JavaScript in our JavaScript Tutorial.

Set the id property: The id of the element. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.

Apr 10, 2025 · The purpose of the ID attribute is to identify a single element when linking (using a fragment identifier), scripting, or styling (with CSS). Elements with ID attributes are available as global properties. The property name is the ID attribute, and the property value is the element. For example, given markup like:

The HTML script tag <script> is used to embed data or executable client side scripting language in an HTML page. Mostly, JavaScript or JavaScript based API code inside a <script></script> tag. The following is an example of an HTML page that contains the JavaScript code in a <script> tag. <h1> JavaScript Tutorials</h1> <script>