JavaScript Snippets

gistfile1.js

// Replace spaces with underscores
.split(' ').join('_')

// Add a .trim function to remove whitespace from strings
String.prototype.trim = function() { return this.replace(/^\s+|\s+$/g, ''); }

// Add commas to a number
function addCommas(nStr) {
  nStr += '';
  x = nStr.split('.');
  x1 = x[0];
  x2 = x.length > 1 ? '.' + x[1] : '';
  var rgx = /(\d+)(\d{3})/;
  while (rgx.test(x1)) {
    x1 = x1.replace(rgx, '$1' + ',' + '$2');
  }
  return x1 + x2;
}