JSFiddle - React, Tailwind, and code Playground

HTML

<p>sdssddsdssd</p>

JavaScript

document.getElementsByTagName('p')[0].onmouseup = function() {
         if (typeof window.getSelection === 'function') {
             //code
			var selObj = window.getSelection(); 
			alert(selObj);
			var selRange = selObj.getRangeAt(0);			 
         }
         else if (document.selection) {   
             alert(document.selection.createRange().htmlText)  //IE6 7 8
         }
    }