Select text with JavaScript

gistfile1.js

$.fn.selectText = function() {
  
  var element = $(this)[0];
  
  if (document.body.createTextRange) {
    
    var range = document.body.createTextRange();
    range.moveToElementText(element);
    range.select();
    
  } else if (window.getSelection) {
    
    var selection = window.getSelection();
    var range = document.createRange();
    range.selectNodeContents(element);
    selection.removeAllRanges();
    selection.addRange(range);
  }
}

Source: http://stackoverflow.com/questions/985272