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wp_script_add_data( string $handle, string $key, mixed $value )

Add metadata to a script.

Works only if the script has already been added.

Possible values for $key and $value: ‘conditional’ string Comments for IE 6, lte IE 7, etc.

$handle: (string) (Required) Name of the script.
$key: (string) (Required) Name of data point for which we're storing a value.
$value: (mixed) (Required) String containing the data to be added.

(bool) True on success, false on failure.

function wp_script_add_data( $handle, $key, $value ) {
	return wp_scripts()->add_data( $handle, $key, $value );
}

Uses	Description
wp-includes/functions.wp-scripts.php: wp_scripts()	Initialize $wp_scripts if it has not been set.

Version	Description
4.2.0	Introduced.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/wp_script_add_data