html set attribute code example

Example 1: javascript change attribute

var element = document.getElementById("elemId");
element.setAttribute("attributeName", "value");

Example 2: html change attribute

element.setAttribute(name, value);


var d = document.getElementById("d1"); 
d.setAttribute("align", "center");

Example 3: setAttribute()

element.setAttribute(name, value);
element.setAttribute("style", "background-color: red;");

Example 4: set attribute javascript

Element.setAttribute(name, value);

Example 5: set property dom javascrpt

document.getElementsByTagName("H1")[0].setAttribute("class", "democlass");

Example 6: html value attribute

<!-- The value attribute is used to for example fill data to an input -->

<input type="text" value="I was already filled" id="textInput">

<!-- The value can be set or copied using JavaScrpit -->
<script>
	// Get your element
	var input = document.getElementById('textInput');
	
	// get the value
	var value = input.value;
	
	// set the value
	input.value = "i was changed";
</script>