JSFiddle - React, Tailwind, and code Playground
HTML
<a class="toggle-tell-friend" id='share-button-1' rel="sidebar" data-id='share-content-1' data-title='<?php echo CHtml::decode($job->getTitle());?>' data-link="CURRENT URL">Friend</a>
JavaScript
var _getCurUrl = location.href;
$("#share-button-1").attr('data-link',_getCurUrl)