Selects the text of the scoped element.

jquery.sel.js

// Selects the text of the scoped element.
// Courtesy of @jcubic: http://stackoverflow.com/a/21829549/356541
$.fn.sel = function selectText() {
  var node = this[0];
  if ( document.body.createTextRange ) {
    var range = document.body.createTextRange();
    
    range.moveToElementText(  node);
    range.select();
  } else if ( window.getSelection ) {
    var selection = window.getSelection();
    
    if (selection.setBaseAndExtent) {
        selection.setBaseAndExtent(node, 0, node, 1);
    } else {
        var range = document.createRange();
        range.selectNodeContents(node);
        selection.removeAllRanges();
        selection.addRange(range);
    }
  }
};