CJS Post Id
The code
cjs-post-id.js
javascript
/*
* cJS - Post ID
* Version: v1.0.0
* Last updated: 2026-08-03
* The WordPress post/page ID, parsed from the postid-### / page-id-### body
* class (e.g. <body class="... postid-482 ...">).
*/
function() {
var m = (document.body.className || '').match(/(?:postid|page-id)-(\d+)/);
return m ? m[1] : undefined;
}