Pad String from left - Node.js String

Node.js examples for String:Padding

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Description

Pad String from left

Demo Code

/*//from   w w w.  java 2  s  .  c  o m
 * Copyright (c) 2014 INSciTE.  All rights reserved
 * INSciTE is on the web at: http://www.hightechkids.org
 * This code is released under GPL; see LICENSE.txt for details.
 */

String.repeat = function(chr, count) {
  var str = "";
  for (var x = 0; x < count; x++) {
    str += chr;
  }

  return str;
};

String.prototype.padL = function(width, pad) {
  if (!width || width < 1)
    return this;

  if (!pad)
    pad = " ";
  var length = width - this.length;
  if (length < 1)
    return this.substr(0, width);

  return (String.repeat(pad, length) + this).substr(0, width);
};

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