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SukkaW/return-prev.js

Created November 9, 2018 17:59
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return-prev.js
/*!
* return-prev.js
* Author: SukkaW (https://skk.moe)
* License: MIT
*
* @param {Object} Element selector for link
*/
(function(El) {
if (document.referrer && document.location.host && document.referrer.match(new RegExp("^https?://" + document.location.host))) {
El.setAttribute("href", document.referrer);
}
})();
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