spig

xquery version '1.0-ml';

<b xmlns="http://www.w3.org/1999/xhtml">
{
let $element := element test { }
return
for $prefix in fn:in-scope-prefixes($element) return fn:concat("prefix: ", fn:namespace-uri-for-prefix($prefix, $element), ",")
}
</b>

spig

function getBrowserLanguages() {
  var languages = [ 'en' ];
  if (navigator) {
    var language;
    if (navigator.language) { language = navigator.language; }
    else if (navigator.browserLanguage) { language = navigator.browserLanguage; }
    else if (navigator.userLanguage) { language = navigator.userLanguage; }
    else if (navigator.systemLanguage) { language = navigator.systemLanguage; }
    else { language = 'en'; }

spig

// checksum calculation for GTIN-8, GTIN-12, GTIN-13, GTIN-14, and SSCC
// based on http://www.gs1.org/barcodes/support/check_digit_calculator
function isValidBarcode(barcode) {
  // check length
  if (barcode.length < 8 || barcode.length > 18 ||
      (barcode.length != 8 && barcode.length != 12 &&
      barcode.length != 13 && barcode.length != 14 &&
      barcode.length != 18)) {
    return false;
  }