one-click-select.js

// see it here:
// https://stackoverflow.com/questions/7563169/detect-which-word-has-been-clicked-on-within-a-text
// https://jsbin.com/oXetAcI/4/edit?html,js,output

    $.fn.OneClickSelect = function(){
      return $(this).on('click',function(){
        
         var range, selection;
         if (window.getSelection) {
            selection = window.getSelection();        
            range = document.createRange();
            range.selectNodeContents(this);
            selection.removeAllRanges();
            selection.addRange(range);
        } else if (document.body.createTextRange) {
            range = document.body.createTextRange();
            range.moveToElementText(this);
            range.select();
        }
      });
    };
    
    // Apply to these elements
    $('p, #all-select').OneClickSelect();

https://stackoverflow.com/questions/7563169/detect-which-word-has-been-clicked-on-within-a-text