Is there an easy fix that will append rel='noopener' to every link that’s set to open in a new window when using the hyperlink button in a text area field?

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  • You can look into a CKEditor plugin to do it, or make a simple one yourself.
    – jrothafer
    Aug 22 '19 at 19:56

I opted for an easier approach and wrote a Javascript function instead which looks for any links with an attribute of target="_blank" and adds rel="noopener".

function relnoopener() {
    const a = document.querySelectorAll('a[target="_blank"]');
    a.forEach(function(element) {
        if (!element.hasAttribute('rel')) {
            element.setAttribute('rel', 'noopener');

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