How to check if CSS property is supported in browser using JavaScript ?
Last Updated :
01 Jun, 2023
Few CSS properties are not supported in some browsers, thus it is required to check whether a CSS property & its value are supported in the current browser. We can find it using JavaScript using CSS.supports() method.
Syntax:
supports(propertyName, value)
supports(condition)
There are two distinct parameters:
- propertyName: A string containing the name of the CSS property to check.
- value: A string containing the value of the CSS property to check.
The second syntax takes one parameter condition which contains the condition to check.
Return value: Returns true if the browser supports the rule, otherwise returns false.
Example 1: The below example will illustrate how to check if CSS property is supported in the browser using JavaScript
HTML
<!DOCTYPE html>
< html >
< head >
< title >GeeksforGeeks</ title >
</ head >
< body >
< h1 style = "color:green; " >
Welcome to GeeksforGeeks
</ h1 >
< script >
// Returns 'true'
result1 = CSS.supports("display: flex");
// Returns 'false'
result2 = CSS.supports("transform-style: preserve");
console.log(result1);
console.log(result2);
</ script >
</ body >
</ html >
|
Output:
Example 2: In the below example, if the value was ‘1%’ instead of ‘green’ the output would be ‘Not supported‘.
HTML
<!DOCTYPE html>
< html >
< head >
< title >GeeksforGeeks</ title >
</ head >
< body >
< h1 style = "color:green; " >
Welcome to GeeksforGeeks
</ h1 >
< script >
if (CSS.supports('color', 'green'))
console.log(
'border-radius is supported with given value');
else
console.log('Not supported');
</ script >
</ body >
</ html >
|
Output:
Example 3: In this example, the ‘text-overline-color’ CSS property has become obsolete and not supported in today’s modern browser.
HTML
<!DOCTYPE html>
< html >
< head >
< title >GeeksforGeeks</ title >
</ head >
< body >
< h1 style = "color:green; " >
Welcome to GeeksforGeeks
</ h1 >
< script >
if (CSS.supports('text-overline-color', 'green'))
console.log(
'text-overline-color is supported with given value');
else
console.log('Not supported');
</ script >
</ body >
</ html >
|
Output:
Supported browsers:
- Chrome
- Edge
- Firefox
- Opera
- Safari
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