wp_customize_support_script - do I need it?

wordpress.stackexchange https://wordpress.stackexchange.com/questions/379448

  •  22-04-2021
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質問

I've noticed a random JavaScript function at the end of the source code of my WordPress website. 

<script type="text/javascript">
    (function() {
        var request, b = document.body, c = 'className', cs = 'customize-support', rcs = new RegExp('(^|\\s+)(no-)?'+cs+'(\\s+|$)');

                request = true;

        b[c] = b[c].replace( rcs, ' ' );
        // The customizer requires postMessage and CORS (if the site is cross domain)
        b[c] += ( window.postMessage && request ? ' ' : ' no-' ) + cs;
    }());
</script>

A quick google search lead me to the article below, but I didn't find it very informative.

https://developer.wordpress.org/reference/functions/wp_customize_support_script/

Does anyone know what exactly this script does, and if it is required?

役に立ちましたか？

解決

Yes, it is needed. For reference, the function's description is:

Prints a script to check whether or not the Customizer is supported, and apply either the no-customize-support or customize-support class to the body.

The class names that the function toggles on the body element control whether or not the Customize link in the admin bar is displayed.

他のヒント

I had the same problem and finally found the fix.

In my case tag was missing the ">" at the end.

<body <?php body_class(); ?>>

instead of:

<body <?php body_class(); ?>

Maybe this will help anyone else.

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