- // A simple way to check for HTML strings or ID strings
- // (both of which we optimize for)
- quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#([\w-]+)$/,
- // Is it a simple selector
- isSimple = /^.[^:#\[\.,]*$/;
+ // JSON RegExp
+ rvalidchars = /^[\],:{}\s]*$/,
+ rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,
+ rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,
+ rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,
+
+ // Useragent RegExp
+ rwebkit = /(webkit)[ \/]([\w.]+)/,
+ ropera = /(opera)(?:.*version)?[ \/]([\w.]+)/,
+ rmsie = /(msie) ([\w.]+)/,
+ rmozilla = /(mozilla)(?:.*? rv:([\w.]+))?/,
+
+ // Keep a UserAgent string for use with jQuery.browser
+ userAgent = navigator.userAgent,
+
+ // For matching the engine and version of the browser
+ browserMatch,
+
+ // Has the ready events already been bound?
+ readyBound = false,
+
+ // The deferred used on DOM ready
+ readyList,
+
+ // Promise methods
+ promiseMethods = "then done fail isResolved isRejected promise".split( " " ),
+
+ // The ready event handler
+ DOMContentLoaded,
+
+ // Save a reference to some core methods
+ toString = Object.prototype.toString,
+ hasOwn = Object.prototype.hasOwnProperty,
+ push = Array.prototype.push,
+ slice = Array.prototype.slice,
+ trim = String.prototype.trim,
+ indexOf = Array.prototype.indexOf,
+
+ // [[Class]] -> type pairs
+ class2type = {};