(function() { var scripts = document.getElementsByTagName('script'), localhostTests = [ /^localhost$/, /\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(:\d{1,5})?\b/ // IP v4 ], host = window.location.hostname, isDevelopment = null, queryString = window.location.search, test, path, i, ln, scriptSrc, match; for (i = 0, ln = scripts.length; i < ln; i++) { scriptSrc = scripts[i].src; match = scriptSrc.match(/bootstrap\.js$/); if (match) { path = scriptSrc.substring(0, scriptSrc.length - match[0].length); break; } } if (queryString.match('(\\?|&)debug') !== null) { isDevelopment = true; } else if (queryString.match('(\\?|&)nodebug') !== null) { isDevelopment = false; } if (isDevelopment === null) { for (i = 0, ln = localhostTests.length; i < ln; i++) { test = localhostTests[i]; if (host.search(test) !== -1) { isDevelopment = true; break; } } } if (isDevelopment === null && window.location.protocol === 'file:') { isDevelopment = true; } })();