Apr 15, 2004 | Home > Bugzero > FAQs > KB

Javascript and ECMAScript Objects/Properties/Methods JS ECMA Opera 7 Global 1.0 ES1 Yes NaN 1.3 ES1 Yes Infinity 1.3 ES1 Yes undefined 1.5 ES2 Yes eval(x) 1.0 ES1 Yes parseInt(string [, radix]) 1.0 ES1 Yes parseFloat(string) 1.0 ES1 Yes isNaN(number) 1.1 ES1 Yes isFinite(number) 1.2 ES1 Yes decodeURI(encodedURI) 1.5 ES3 Yes decodeURIComponent(encodedURIComponent) 1.5 ES3 Yes encodeURI(uri) 1.5 ES3 Yes encodeURIComponent(uriComponent) 1.5 ES3 Yes escape(string) 1.0 [ES1] Yes unescape(string) 1.0 [ES1] Yes Object 1.0 ES1 Yes prototype (1.0) ES1 Yes constructor 1.1 ES1 Yes toString() 1.0 ES1 Yes toLocaleString() 1.5 ES3 Yes valueOf() 1.1 ES1 Yes hasOwnProperty(V) 1.5 ES3 Yes isPrototypeOf(V) 1.5 ES3 Yes propertyIsEnumerable(V) 1.5 ES3 Yes unwatch(prop) - - No watch(prop, handler) - - No Function 1.0 ES1 Yes length 1.1 ES1 Yes prototype 1.1 ES1 Yes constructor (1.1) ES1 Yes toString() 1.0 ES3 Yes apply(thisArg [, argArray]) 1.2 ES3 Yes call(thisArg [, arg1, arg2, ... , argN]) 1.5 ES3 Yes valueOf() (1.1) ES1 Yes arity 1.2 - No Arguments 1.1 ES1 Yes callee 1.2 ES3 Yes caller [1.2] - No length 1.1 ES3 Yes Array 1.1 ES1 Yes length 1.1 ES1 Yes prototype 1.1 ES1 Yes constructor 1.1 ES1 Yes toString() 1.1 ES1 Yes toLocaleString() 1.5 ES2 Yes concat([item1, item2, ... , itemN]) 1.2 ES3 Yes join(separator) 1.1 ES1 Yes pop() 1.2 ES2 Yes push([item1, item2, ... , itemN]) 1.2 ES2 Yes reverse() 1.1 ES1 Yes shift() 1.2 ES2 Yes slice(start [, end]) 1.2 ES2 Yes sort(comparefn) 1.1 ES1 Yes splice(start, deleteCount [, item1, item2, ... , itemN]) 1.2 ES2 Yes unshift([item1, item2, ... , itemN]) 1.2 ES2 Yes valueOf() 1.1 ES3 Yes index 1.2 ES3 Yes input 1.2 ES3 Yes String 1.0 ES1 Yes length 1.0 ES1 Yes prototype 1.1 ES1 Yes constructor 1.0 ES1 Yes fromCharCode([code0, code1, ... , codeN]) 1.2 ES1 Yes toString() 1.0 ES1 Yes valueOf() 1.0 ES1 Yes charAt(pos) 1.0 ES1 Yes charCodeAt(pos) 1.2 ES1 Yes concat([item1, item2, ... , itemN]) 1.2 ES3 Yes indexOf(pattern [, pos]) 1.0 ES1 Yes lastIndexOf(pattern [, pos]) 1.0 ES1 Yes localeCompare(that) 1.5 ES3 Yes match(regexp) 1.2 ES3 Yes replace(searchValue, replaceValue) 1.2 ES3 Yes search(regexp) 1.2 ES3 Yes slice(start [, end]) 1.2 ES3 Yes split(separator [, lim]) 1.1 ES1 Yes substring(start, end) 1.0 ES1 Yes substr(start [, length]) 1.2 ES1 Yes toLowerCase() 1.0 ES1 Yes toLocaleLowerCase() 1.5 ES3 Yes toUpperCase() 1.0 ES1 Yes toLocaleUpperCase() 1.5 ES3 Yes anchor(string) - - Yes link(string) - - Yes fontcolor(string) - - Yes fontsize(string) - - Yes big() - - Yes blink() - - Yes bold() - - Yes fixed() - - Yes italics() - - Yes small() - - Yes strike() - - Yes sub() - - Yes sup() - - Yes Boolean 1.1 ES1 Yes prototype 1.1 ES1 Yes constructor 1.1 ES1 Yes toString() 1.1 ES1 Yes valueOf() 1.1 ES1 Yes Number 1.1 ES1 Yes prototype 1.1 ES1 Yes constructor 1.1 ES1 Yes MAX_VALUE 1.1 ES1 Yes MIN_VALUE 1.1 ES1 Yes NaN 1.1 ES1 Yes NEGATIVE_INFINITY 1.1 ES1 Yes POSITIVE_INFINITY 1.1 ES1 Yes toString([radix]) 1.1 ES1 Yes toLocaleString() 1.5 ES3 Yes valueOf() 1.1 ES1 Yes toFixed(fractionDigits) 1.5 ES3 Yes toExponential(fractionDigits) 1.5 ES3 Yes toPrecision(precision) 1.5 ES3 Yes Math 1.0 ES1 Yes E 1.0 ES1 Yes LN10 1.0 ES1 Yes LN2 1.0 ES1 Yes LOG2E 1.0 ES1 Yes LOG10E 1.0 ES1 Yes PI 1.0 ES1 Yes SQRT1_2 1.0 ES1 Yes SQRT2 1.0 ES1 Yes abs(x) 1.0 ES1 Yes acos(x) 1.0 ES1 Yes asin(x) 1.0 ES1 Yes atan(x) 1.0 ES1 Yes atan2(y, x) 1.0 ES1 Yes ceil(x) 1.0 ES1 Yes cos(x) 1.0 ES1 Yes exp(x) 1.0 ES1 Yes floor(x) 1.0 ES1 Yes log(x) 1.0 ES1 Yes max([value1, value2, ... , valueN]) 1.0 ES1 Yes min([value1, value2, ... , valueN]) 1.0 ES1 Yes pow(x, y) 1.0 ES1 Yes random() 1.1 ES1 Yes round(x) 1.0 ES1 Yes sin(x) 1.0 ES1 Yes sqrt(x) 1.0 ES1 Yes tan(x) 1.0 ES1 Yes Date 1.0 ES1 Yes prototype 1.1 ES1 Yes constructor 1.1 ES1 Yes parse(string) 1.0 ES1 Yes UTC(year, month [, date, hours, minutes, seconds, ms]) 1.0 ES1 Yes toString() 1.0 ES1 Yes toDateString() 1.5 ES3 Yes toTimeString() 1.5 ES3 Yes toLocaleString() 1.0 ES1 Yes toLocaleDateString() 1.5 ES3 Yes toLocaleTimeString() 1.5 ES3 Yes valueOf() 1.1 ES1 Yes getTime() 1.0 ES1 Yes getFullYear() 1.2 ES1 Yes getUTCFullYear() 1.2 ES1 Yes getMonth() 1.0 ES1 Yes getUTCMonth() 1.2 ES1 Yes getDate() 1.0 ES1 Yes getUTCDate() 1.2 ES1 Yes getDay() 1.0 ES1 Yes getUTCDay() 1.2 ES1 Yes getHours() 1.0 ES1 Yes getUTCHours() 1.2 ES1 Yes getMinutes() 1.0 ES1 Yes getUTCMinutes() 1.2 ES1 Yes getSeconds() 1.0 ES1 Yes getUTCSeconds() 1.2 ES1 Yes getMilliseconds() 1.2 ES1 Yes getUTCMilliseconds() 1.2 ES1 Yes getTimezoneOffset() 1.0 ES1 Yes setTime(time) 1.0 ES1 Yes setMilliseconds(ms) 1.2 ES1 Yes setUTCMilliseconds(ms) 1.2 ES1 Yes setSeconds(sec [, ms]) 1.0 ES1 Yes setUTCSeconds(sec [, ms]) 1.2 ES1 Yes setMinutes(minute [, sec, ms]) 1.0 ES1 Yes setUTCMinutes(minute [, sec, ms]) 1.2 ES1 Yes setHours(hour [, minute, sec, ms]) 1.0 ES1 Yes setUTCHours(hour [, minute, sec, ms]) 1.2 ES1 Yes setDate(date) 1.0 ES1 Yes setUTCDate(date) 1.2 ES1 Yes setMonth(month [, date]) 1.0 ES1 Yes setUTCMonth(month [, date]) 1.2 ES1 Yes setFullYear(year [, month, date]) 1.2 ES1 Yes setUTCFullYear(year [, month, date]) 1.2 ES1 Yes toUTCString() 1.2 ES1 Yes toGMTString() 1.0 ES3 Yes getYear() 1.0 [ES1] Yes setYear(year) 1.0 [ES1] Yes RegExp 1.2 ES3 Yes prototype 1.2 ES3 Yes constructor 1.2 ES3 Yes $1 ... $9 1.2 ES3 Yes $01 ... $99 - ES3 Yes input(also $_) 1.2 - No lastMatch(also $&) 1.2 - No lastParen(also $+) 1.2 - No leftContext(also $`) 1.2 - No rightContext(also $') 1.2 - No multiline(also $*) 1.2 - No exec([string]) 1.2 ES3 Yes test([string]) 1.2 ES3 Yes toString() 1.2 ES3 Yes compile(pattern [, flags]) 1.2 - Yes source 1.2 ES3 Yes global 1.2 ES3 Yes ignoreCase 1.2 ES3 Yes multiline 1.2 ES3 Yes lastIndex 1.2 ES3 Yes Error 1.5 ES3 Yes prototype 1.5 ES3 Yes constructor 1.5 ES3 Yes name 1.5 ES3 Yes message 1.5 ES3 Yes toString() 1.5 ES3 Yes * Reference brought to you by Bugzero, it's more than just bug tracking software!