The HTML DOM fontWeight property is used for setting or returning the thickness of text characters of an element.
Following is the syntax for −
Setting the fontWeight property −
object.style.fontWeight = "normal|lighter|bold|bolder|value|initial|inherit"
The above properties are explained as follows
| Value | Description |
|---|---|
| normal | Thisis the default and doesn’t make any changes to font. |
| lighter | Fontis lighter |
| bold | Setsthe font to bold which is thicker than lighter. |
| bolder | Setsthe font to bolder which is thicker than bold. |
| 100 200 300 400 500 600 700 800 900 | Givesa range of values depicting light to bold characters. Normal=400,700=Bold. |
| initial | Forsetting this property to initial value. |
| inherit | Toinherit the parent property value |
Let us look at an example for the fontWeight property −
Example
<!DOCTYPE html>
<html>
<head>
<style>
#demo2,#demo1 {
font-family: 'times new roman';
font-size: 25px;
}
</style>
<script>
function changeFontWeight() {
document.getElementById("demo1").style.fontWeight="bold";
document.getElementById("demo2").style.fontWeight="bold";
document.getElementById("Sample").innerHTML="The font weight has been changed for the above paragraphs";
}
</script>
</head>
<body>
<div id="demo1" >This is demo text</div>
<div id="demo2">This is demo text</div>
<p>Change the font weight for the text inside above divs by clicking the below button</p>
<button onclick="changeFontWeight()">Change font Weight </button>
<p id="Sample"></p>
</body>
</html>Output
On clicking the “Change font Weight” button −
