id attribute

id=id

Explanation

ID attribute indicates sole id for an element. It helps to handle/control the text combined with javascript in a webpage.

<input="id">Text</input>

Values added with this attribute are:

Value	Description
id	id for an input. Should begin with capital or small letter.

Example Code:

<script type="text/javascript">
function displayResult()
{
document.getElementById("myHeader").innerHTML="A good reason, is not necessarily a relevant one.";
}
</script>

<p id="myHeader">Welcome</p>
<button onclick="displayResult()">Click Here</button>

Result :

Welcome

Click the button to view the id for an element.
JavaScript can be utilized with this attribute to perform corrections in an element.
It wont function, if it is included with elements like "base, head, html, meta, param, script, style, and title".

It is supported by the all the elements in HTML5 & it is available in the earlier versions of the HTML.