未来的工作会更多的涉及到多浏览器的兼容问题,所以这里先准备一点资料。
原文地址:http://en.wikipedia.org/wiki/Comparison_of_layout_engines_(ECMAScript)
原文地址:http://en.wikipedia.org/wiki/Comparison_of_layout_engines_(ECMAScript)
JavaScript version support
| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Name of JavaScript Engine | JScript | JScript | SpiderMonkey | JavaScriptCore | KJS | linear_b | futhark | InScript | ||
| JavaScript Version | 1.3 | Yes | Yes | 0.6 | Yes | Yes | Yes | ? | Yes (?) | |
| 1.5 | No | No | 0.6 | Yes | Yes | Yes | ? | ? | ||
| 1.6 | No | No | 1.8 | No | No | No | ? | No | ||
| 1.7 | No | No | 1.8.1 | No | No | No | ? | No | ||
| 1.8 | No | No | Planned for 1.9 | No | No | No | ? | No | ||
| 2.0 | No | No | No | No | No | No | ? | No | ||
Standard Library
Global object
| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |||
|---|---|---|---|---|---|---|---|---|---|
| Name of JavaScript Engine | JScript | JScript | SpiderMonkey | JavaScriptCore | KJS | linear_b | futhark | InScript | |
| Value properties | NaN | 4.0 | 4.0 (?) | 0.6 | Yes | ? | Yes | ? | ? |
| Infinity | 4.0 | 4.0 (?) | 0.6 | Yes | ? | Yes | ? | ? | |
| undefined | 5.5 | No (?) | 0.6 | Yes | ? | Yes | ? | ? | |
| Function properties | eval(x) | 3.0 | 4.0 (?) | 0.6 | Yes | ? | Yes | ? | ? |
| parseInt(string [, radix]) | 3.0 | 4.0 (?) | 0.6 | Yes | ? | Yes | ? | ? | |
| parseFloat(string) | 3.0 | 4.0 (?) | 0.6 | Yes | ? | Yes | ? | ? | |
| isNaN(number) | 4.0 | 4.0 (?) | 0.6 | Yes | ? | Yes | ? | ? | |
| isFinite(number) | 4.0 | 4.0 (?) | 0.6 | Yes | ? | Yes | ? | ? | |
| URI handling functions | decodeURI(encodedURI) | 5.5 | No (?) | 0.6 | No | ? | Yes | ? | ? |
| decodeURIComponent(encodedURIComponent) | 5.5 | No (?) | 0.6 | No | ? | Yes | ? | ? | |
| encodeURI(uri) | 5.5 | No (?) | 0.6 | No | ? | Yes | ? | ? | |
| encodeURIComponent(uriComponent) | 5.5 | No (?) | 0.6 | No | ? | Yes | ? | ? | |
| Constructor properties | Object | 4.0 | ? | Yes | Yes | ? | Yes | ? | ? |
| Function | 4.0 | ? | Yes | Yes | ? | Yes | ? | ? | |
| Array | 4.0 | ? | Yes | Yes | ? | Yes | ? | ? | |
| String | 3.0 | ? | Yes | Yes | ? | Yes | ? | ? | |
| Boolean | 3.0 | ? | Yes | Yes | ? | Yes | ? | ? | |
| Number | 3.0 | ? | Yes | Yes | ? | Yes | ? | ? | |
| Date | 3.0 | ? | Yes | Yes | ? | Yes | ? | ? | |
| RegExp | 4.0 | ? | Yes | Yes | ? | Yes | ? | ? | |
| Error | 5.0 | ? | Yes | Yes | ? | Yes | ? | ? | |
| EvalError | 5.0 | ? | Yes | No | ? | No | ? | ? | |
| RangeError | 5.0 | ? | Yes | No | ? | No | ? | ? | |
| ReferenceError | 5.0 | ? | Yes | No | ? | No | ? | ? | |
| SyntaxError | 5.0 | ? | Yes | No | ? | No | ? | ? | |
| TypeError | 5.0 | ? | Yes | No | ? | No | ? | ? | |
| URIError | 5.0 | ? | Yes | No | ? | No | ? | ? | |
| Other properties | Math | 3.0 | ? | Yes | Yes | ? | Yes | ? | ? |
| Additional properties | escape(string) | 3.0 | ? | Yes | Yes | ? | Yes | ? | ? |
| unescape(string) | 3.0 | ? | Yes | Yes | ? | Yes | ? | ? | |
Object object
| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |||
|---|---|---|---|---|---|---|---|---|---|
| Name of JavaScript Engine | JScript | JScript | SpiderMonkey | JavaScriptCore | KJS | linear_b | futhark | InScript | |
| Called as function | Object([value]) | ? | ? | ? | ? | ? | ? | ? | ? |
| Called as constructor | new Object([value]) | 4.0 | ? | Yes | Yes | ? | Yes | ? | ? |
| Properties | length | ? | ? | ? | ? | ? | ? | ? | ? |
| prototype | 4.0 | ? | Yes | Yes | ? | Yes | ? | ? | |
| Properties of prototype | constructor | 4.0 | ? | Yes | Yes | ? | Yes | ? | ? |
| toString() | 4.0 | ? | Yes | Yes | ? | Yes | ? | ? | |
| toLocaleString() | 4.0 | ? | Yes | Yes | ? | Yes | ? | ? | |
| valueOf() | 4.0 | ? | Yes | Yes | ? | Yes | ? | ? | |
| hasOwnProperty(V) | 5.5 | ? | Yes | No | ? | Yes | ? | ? | |
| isPrototypeOf(V) | 5.5 | ? | Yes | No | ? | Yes | ? | ? | |
| propertyIsEnumerable(V) | 5.5 | ? | Yes | No | ? | Yes | ? | ? | |
Function object
| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |||
|---|---|---|---|---|---|---|---|---|---|
| Name of JavaScript Engine | JScript | JScript | SpiderMonkey | JavaScriptCore | KJS | linear_b | futhark | InScript | |
| Called as function | Function([[p1 [, p2 [, ...]],] body]) | ? | ? | ? | ? | ? | ? | ? | ? |
| Called as constructor | new Function([[p1 [, p2 [, ...]],] body]) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? |
| Properties | length | ? | ? | ? | ? | ? | Yes | ? | ? |
| prototype | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| Properties of prototype | length | ? | ? | ? | ? | ? | ? | ? | ? |
| constructor | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| toString() | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| apply(thisArg, argArray) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| call(thisArg [, arg1 [, arg2 [, ...]]]) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| Properties of instances | length | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? |
| prototype | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
Array object
| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |||
|---|---|---|---|---|---|---|---|---|---|
| Name of JavaScript Engine | JScript | JScript | SpiderMonkey | JavaScriptCore | KJS | linear_b | futhark | InScript | |
| Called as function | Array([item1 [, item2 [, ...]]]) | ? | ? | ? | ? | ? | ? | ? | ? |
| Called as constructor | new Array([item1, item2 [, ...]]) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? |
| new Array(len) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| Properties | length | ? | ? | Yes | ? | ? | Yes | ? | ? |
| prototype | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| Properties of prototype | length | ? | ? | ? | ? | ? | ? | ? | ? |
| constructor | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| toString() | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| toLocaleString() | 5.5 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| concat([item1 [, item2 [,...]]]) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| join(separator) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| pop() | 5.5 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| push([item1 [, item2 [,...]]]) | 5.5 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| reverse() | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| shift() | 5.5 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| slice(start, end) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| sort(comparefn) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| splice(start, deleteCount [, item1 [, item2 [, ...]]]) | 5.5 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| unshift([item1 [, item2 [, ...]]]) | 5.5 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| Properties of instances | length | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? |
String object
| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |||
|---|---|---|---|---|---|---|---|---|---|
| Name of JavaScript Engine | JScript | JScript | SpiderMonkey | JavaScriptCore | KJS | linear_b | futhark | InScript | |
| Called as function | String([value]) | ? | ? | ? | ? | ? | ? | ? | ? |
| Called as constructor | new String([value]) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? |
| Properties | length | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? |
| prototype | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| fromCharCode([char0 [, char1 [, ...]]]) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| Properties of prototype | length | ? | ? | ? | ? | ? | ? | ? | ? |
| constructor | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| toString() | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| valueOf() | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| charAt(pos) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| charCodeAt(pos) | 5.5 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| concat([string1 [, string2 [, ...]]]) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| indexOf(searchString, position) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| lastIndexOf(searchString, position) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| localeCompare(that) | 5.5 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| match(regexp) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| replace(searchValue, replaceValue) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| search(regexp) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| slice(start, end) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| split(separator, limit) | 4.0 | ? | 1.0 | No | ? | 7.0 | ? | ? | |
| substring(start, end) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| toLowerCase() | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| toLocaleLowerCase(comparefn) | 3.0 | ? | 1.0 | No | ? | 7.0 | ? | ? | |
| toUpperCase() | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| toLocaleUpperCase() | 3.0 | ? | 1.0 | No | ? | 7.0 | ? | ? | |
| Additional properties of prototype | substr(start, length) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? |
| Properties of instances | length | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? |
Boolean object
| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |||
|---|---|---|---|---|---|---|---|---|---|
| Name of JavaScript Engine | JScript | JScript | SpiderMonkey | JavaScriptCore | KJS | linear_b | futhark | InScript | |
| Called as function | Boolean([value]) | ? | ? | ? | ? | ? | ? | ? | ? |
| Called as constructor | new Boolean([value]) | 3.0 | ? | Yes | Yes | ? | Yes | ? | ? |
| Properties | length | ? | ? | ? | ? | ? | ? | ? | ? |
| prototype | 4.0 | ? | Yes | Yes | ? | Yes | ? | ? | |
| Properties of prototype | constructor | 4.0 | ? | Yes | Yes | ? | Yes | ? | ? |
| toString() | 4.0 | ? | Yes | Yes | ? | Yes | ? | ? | |
| valueOf() | 4.0 | ? | Yes | Yes | ? | Yes | ? | ? | |
Number object
| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |||
|---|---|---|---|---|---|---|---|---|---|
| Name of JavaScript Engine | JScript | JScript | SpiderMonkey | JavaScriptCore | KJS | linear_b | futhark | InScript | |
| Called as function | Number([value]) | ? | ? | ? | ? | ? | ? | ? | ? |
| Called as constructor | new Number([value]) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? |
| Properties | length | ? | ? | ? | ? | ? | ? | ? | ? |
| prototype | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| MAX_VALUE | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| MIN_VALUE | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| NaN | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| NEGATIVE_INFINITY | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| POSITIVE_INFINITY | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| Properties of prototype | constructor | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? |
| toString([radix]) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| toLocaleString() | 5.5 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| valueOf() | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| toFixed(fractionDigits) | 5.5 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| toExponential(fractionDigits) | 5.5 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| toPrecision(precision) | 5.5 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
Math object
| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |||
|---|---|---|---|---|---|---|---|---|---|
| Name of JavaScript Engine | JScript | JScript | SpiderMonkey | JavaScriptCore | KJS | linear_b | futhark | InScript | |
| Value properties | E | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? |
| LN10 | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| LN2 | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| LOG2E | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| LOG10E | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| SQRT1_2 | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| Function properties | abs(x) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? |
| acos(x) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| asin(x) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| atan(x) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| atan2(y, x) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| ceil(x) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| cos(x) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| exp(x) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| floor(x) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| log(x) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| max([value1 [, value2 [, ...]]]) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| min([value1 [, value2 [, ...]]]) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| pow(x, y) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| random(x) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| round(x) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| sin(x) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| sqrt(x) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| tan(x) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
Date object
| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |||
|---|---|---|---|---|---|---|---|---|---|
| Name of JavaScript Engine | JScript | JScript | SpiderMonkey | JavaScriptCore | KJS | linear_b | futhark | InScript | |
| Called as function | Date ([year [, month [, date [, hours [, minutes [, seconds [, ms ]]]]]]]) | ? | ? | ? | ? | ? | ? | ? | ? |
| Called as constructor | new Date (year, month [, date [, hours [, minutes [, seconds [, ms ]]]]]) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? |
| new Date (value) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| new Date () | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| Properties | length | ? | ? | ? | ? | ? | ? | ? | ? |
| prototype | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| parse(string) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| Date.UTC (year, month [, date [, hours [, minutes [, seconds [, ms ]]]]]) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| Properties of prototype | constructor | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? |
| toString() | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| toDateString() | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| toTimeString() | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| toLocaleString() | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| toLocaleDateString() | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| toLocaleTimeString() | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| valueOf() | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| getTime() | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| getFullYear() | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| getMonth() | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| getUTCMonth() | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| getDate() | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| getUTCDate() | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| getDay() | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| getUTCDay() | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| getHours() | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| getUTCHours() | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| getMinutes() | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| getUTCMinutes() | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| getSeconds() | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| getUTCSeconds() | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| getMilliseconds() | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| getUTCMilliseconds() | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| getTimezoneOffset() | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| setTime(time) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| setMilliseconds(ms) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| setUTCMilliseconds(ms) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| setSeconds(sec [, ms]) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| setUTCSeconds(sec [, ms]) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| setMinutes(min [, sec [, ms]]) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| setUTCMinutes(min [, sec [, ms]]) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| setHours(hour [, min [, sec [, ms]]]) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| setUTCHours(hour [, min [, sec [, ms]]]) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| setDate(date) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| setUTCDate(date) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| setMonth(month [, date]) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| setUTCMonth(month [, date]) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| setFullYear(year [, month [, date]]) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| setUTCFullYear(year [, month [, date]]) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| toUTCString() | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| Additional properties of prototype | getYear() | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? |
| setYear(year) | 3.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| toGMTString() | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
RegExp object
| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |||
|---|---|---|---|---|---|---|---|---|---|
| Name of JavaScript Engine | JScript | JScript | SpiderMonkey | JavaScriptCore | KJS | linear_b | futhark | InScript | |
| Called as function | RegExp (pattern, flags) | ? | ? | ? | ? | ? | ? | ? | ? |
| Called as constructor | new RegExp (pattern, flags) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? |
| Properties | length | ? | ? | ? | ? | ? | ? | ? | ? |
| prototype | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| Properties of prototype | constructor | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? |
| exec(string) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| test(string) | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| toString() | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| Properties of instances | source | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? |
| global | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| ignoreCase | 5.5 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| multiline | 5.5 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| lastIndex | 4.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
Error object
| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |||
|---|---|---|---|---|---|---|---|---|---|
| Name of JavaScript Engine | JScript | JScript | SpiderMonkey | JavaScriptCore | KJS | linear_b | futhark | InScript | |
| Called as function | Error (message) | ? | ? | ? | ? | ? | ? | ? | ? |
| Called as constructor | new Error (message) | 5.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? |
| Properties | length | ? | ? | ? | ? | ? | ? | ? | ? |
| prototype | 5.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| Properties of prototype | constructor | 5.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? |
| name | 5.5 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| message | 5.5 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
| toString() | 5.0 | ? | 1.0 | Yes | ? | 7.0 | ? | ? | |
NativeError objects
| Trident | Tasman | Gecko | WebCore | KHTML | Presto | iCab | |||
|---|---|---|---|---|---|---|---|---|---|
| Name of JavaScript Engine | JScript | JScript | SpiderMonkey | JavaScriptCore | KJS | linear_b | futhark | InScript | |
| Called as function | EvalError (message) | ? | ? | ? | ? | ? | ? | ? | ? |
| RangeError (message) | ? | ? | ? | ? | ? | ? | ? | ? | |
| ReferenceError (message) | ? | ? | ? | ? | ? | ? | ? | ? | |
| SyntaxError (message) | ? | ? | ? | ? | ? | ? | ? | ? | |
| TypeError (message) | ? | ? | ? | ? | ? | ? | ? | ? | |
| URIError (message) | ? | ? | ? | ? | ? | ? | ? | ? | |
| Called as constructor | new EvalError (message) | ? | ? | ? | ? | ? | ? | ? | ? |
| new RangeError (message) | ? | ? | ? | ? | ? | ? | ? | ? | |
| new ReferenceError (message) | ? | ? | ? | ? | ? | ? | ? | ? | |
| new SyntaxError (message) | ? | ? | ? | ? | ? | ? | ? | ? | |
| new TypeError (message) | ? | ? | ? | ? | ? | ? | ? | ? | |
| new URIError (message) | ? | ? | ? | ? | ? | ? | ? | ? | |
| Properties | length | ? | ? | ? | ? | ? | ? | ? | ? |
| prototype | ? | ? | ? | ? | ? | ? | ? | ? | |
| Properties of prototype | constructor | ? | ? | ? | ? | ? | ? | ? | ? |
| name | ? | ? | ? | ? | ? | ? | ? | ? | |
| message | ? | ? | ? | ? | ? | ? | ? | ? | |
本文详细对比了不同浏览器的JavaScript引擎特性,包括版本支持情况、标准库实现等方面,为开发者选择合适的浏览器提供了参考。
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