NetFront Browser v3.4 ECMAScript Support List Rev.1.0
2. Native ECMAScript Objects
- 2.1 The Global Object
- 2.2 Object Objects
- 2.3 Function Objects
- 2.4 Arguments Object
- 2.5 Array Objects
- 2.6 String Objects
- 2.7 Boolean Objects
- 2.8 Number Objects
- 2.9 The Math Object
- 2.10 Date Objects
- 2.11 RegExp (Regular Expression) Objects
- 2.12 Error Objects
2.1 The Global Object
| Property/Function/Method | Support | Remark | |
|---|---|---|---|
| Value Properties of the Global Object | |||
| NaN | Yes | ||
| Infinity | Yes | ||
| undefined | Yes | ||
| version | Yes | In NF3, this item is processed only when ECMAScript Mobile Profile is enabled. | |
| Function Properties of the Global Object | |||
| eval(x) | Yes | ||
| parseInt(string [, radix]) | Yes | ||
| parseFloat(string) | Yes | ||
| isNaN(number) | Yes | ||
| isFinite(number) | Yes | ||
| toString() | Yes | ||
| URI Handling Function Properties | |||
| decodeURI(encodedURI) | Yes | ||
| decodeURIComponent(encodedURIComponent) | Yes | ||
| encodeURI(uri) | Yes | ||
| encodeURIComponent(uriComponent) | Yes | ||
| escape(string) | Yes | ||
| unescape(string) | Yes | ||
2.2 Object Objects
| Property/Function/Method | Support | Remark | |
|---|---|---|---|
| The Object Constructor Called as a Function | |||
| Object([value]) | Yes | ||
| The Object Constructor | |||
| new Object([value]) | Yes | ||
| Properties of the Object Constructor | |||
| length | Yes | ||
| prototype | Yes | ||
| version | Yes | In NF3, this item is processed only when ECMAScript Mobile Profile is enabled. | |
| Properties of the Object Prototype Object | |||
| constructor | Yes | ||
| toString() | Yes | ||
| toLocaleString() | Yes | ||
| valueOf() | Yes | ||
| hasOwnProperty(V) | Yes | ||
| isPrototypeOf(V) | Yes | ||
| propertyIsEnumerable(V) | Yes | ||
| toSource() | No | ||
| unwatch(prop) | No | ||
| watch(prop, handler) | No | ||
2.3 Function Objects
| Property/Function/Method | Support | Remark | |
|---|---|---|---|
| The Function Constructor Called as a Function | |||
| Function([p1, p2, ... , pN,] body) | Yes | ||
| The Function Constructor | |||
| new Function([p1, p2, ... , pN,] body) | Yes | ||
| Properties of the Function Constructor | |||
| length | Yes | ||
| prototype | Yes | ||
| version | Yes | In NF3, this item is processed only when ECMAScript Mobile Profile is enabled. | |
| Properties of Function Instances | |||
| length | Yes | ||
| prototype | Yes | ||
| arity | No | ||
| Properties of the Function Prototype Object | |||
| constructor | Yes | ||
| toString() | Yes | ||
| apply(thisArg [, argArray]) | Yes | ||
| call(thisArg [, arg1, arg2, ... , argN]) | Yes | ||
| toSource() | No | ||
2.4 Arguments Object
| Property/Function/Method | Support | Remark | |
|---|---|---|---|
| Properties | |||
| callee | Yes | ||
| length | Yes | ||
2.5 Array Objects
| Property/Function/Method | Support | Remark | |
|---|---|---|---|
| The Array Constructor Called as a Function | |||
| Array([item1, item2, ... , itemN]) | Yes | ||
| The Array Constructor | |||
| new Array([item0, item1, ... , itemN]) | Yes | ||
| new Array(len) | Yes | ||
| Properties of the Array Constructor | |||
| length | Yes | ||
| prototype | Yes | ||
| version | Yes | In NF3, this item is processed only when ECMAScript Mobile Profile is enabled. | |
| Properties of the Array Prototype Object | |||
| constructor | Yes | ||
| toString() | Yes | ||
| toLocaleString() | Yes | ||
| concat([item1, item2, ... , itemN]) | Yes | ||
| join(separator) | Yes | ||
| pop() | Yes | ||
| push([item1, item2, ... , itemN]) | Yes | ||
| reverse() | Yes | ||
| shift() | Yes | ||
| slice(start [, end]) | Yes | ||
| sort(comparefn) | Yes | ||
| splice(start, deleteCount [, item1, item2, ... , itemN]) | Yes | ||
| unshift([item1, item2, ... , itemN]) | Yes | ||
| toSource() | No | ||
| Properties of Array Instances | |||
| length | Yes | ||
2.6 String Objects
| Property/Function/Method | Support | Remark | |
|---|---|---|---|
| The String Constructor Called as a Function | |||
| String([value]) | Yes | ||
| The String Constructor | |||
| new String([value]) | Yes | ||
| Properties of the String Constructor | |||
| length | Yes | ||
| prototype | Yes | ||
| fromCharCode([code0, code1, ... , codeN]) | Yes | ||
| version | Yes | In NF3, this item is processed only when ECMAScript Mobile Profile is enabled. | |
| Properties of the String Prototype Object | |||
| constructor | Yes | ||
| toString() | Yes | ||
| valueOf() | Yes | ||
| charAt(pos) | Yes | ||
| charCodeAt(pos) | Yes | ||
| concat([item1, item2, ... , itemN]) | Yes | ||
| indexOf(pattern [, pos]) | Yes | ||
| lastIndexOf(pattern [, pos]) | Yes | ||
| localeCompare(that) | Yes | ||
| match(regexp) | Yes | ||
| replace(searchValue, replaceValue) | Yes | ||
| search(regexp) | Yes | ||
| slice(start [, end]) | Yes | ||
| split(separator [, lim]) | Yes | ||
| substring(start, end) | Yes | ||
| substr(start [, length]) | Yes | ||
| toLowerCase() | Yes | ||
| toLocaleLowerCase() | Yes | ||
| toUpperCase() | Yes | ||
| toLocaleUpperCase() | Yes | ||
| toSource() | No | ||
| Properties of String Instances | |||
| length | Yes | ||
2.7 Boolean Objects
| Property/Function/Method | Support | Remark | |
|---|---|---|---|
| The Boolean Constructor Called as a Function | |||
| Boolean(value) | Yes | ||
| The Boolean Constructor | |||
| new Boolean(value) | Yes | ||
| Properties of the Boolean Constructor | |||
| length | Yes | ||
| prototype | Yes | ||
| version | Yes | In NF3, this item is processed only when ECMAScript Mobile Profile is enabled. | |
| Properties of the Boolean Prototype Object | |||
| constructor | Yes | ||
| toString() | Yes | ||
| valueOf() | Yes | ||
| toSource() | No | ||
2.8 Number Objects
| Property/Function/Method | Support | Remark | |
|---|---|---|---|
| The Number Constructor Called as a Function | |||
| Number([value]) | Yes | ||
| The Number Constructor | |||
| new Number([value]) | Yes | ||
| Properties of the Number Constructor | |||
| length | Yes | ||
| prototype | Yes | ||
| MAX_VALUE | Yes | ||
| MIN_VALUE | Yes | ||
| NaN | Yes | ||
| NEGATIVE_INFINITY | Yes | ||
| POSITIVE_INFINITY | Yes | ||
| version | Yes | In NF3, this item is processed only when ECMAScript Mobile Profile is enabled. | |
| Properties of the Number Prototype Object | |||
| constructor | Yes | ||
| toString([radix]) | Yes | ||
| toLocaleString() | Yes | In NF3, if ECMAScript Mobile Profile is enabled, the same value when toFixed(2) is called is returned. | |
| valueOf() | Yes | ||
| toFixed(fractionDigits) | Yes | ||
| toExponential(fractionDigits) | Yes | ||
| toPrecision(precision) | Yes | ||
| toSource() | No | ||
2.9 The Math Object
| Property/Function/Method | Support | Remark | |
|---|---|---|---|
| Value Properties of the Math Object | |||
| E | Yes | ||
| LN10 | Yes | ||
| LN2 | Yes | ||
| LOG2E | Yes | ||
| LOG10E | Yes | ||
| PI | Yes | ||
| SQRT1_2 | Yes | ||
| SQRT2 | Yes | ||
| version | Yes | In NF3, this item is processed only when ECMAScript Mobile Profile is enabled. | |
| Function Properties of the Math Object | |||
| abs(x) | Yes | ||
| acos(x) | Yes | ||
| asin(x) | Yes | ||
| atan(x) | Yes | ||
| atan2(y, x) | Yes | ||
| ceil(x) | Yes | ||
| cos(x) | Yes | ||
| exp(x) | Yes | ||
| floor(x) | Yes | ||
| log(x) | Yes | ||
| max([value1, value2, ... , valueN]) | Yes | ||
| min([value1, value2, ... , valueN]) | Yes | ||
| pow(x, y) | Yes | ||
| random() | Yes | In NF3, if an argument is specified when ECMAScript Mobile Profile is enabled, a random value is returned within the range of integer values specified for the first argument. When something other than ECMAScript Mobile Profile is enabled, even if an argum | |
| round(x) | Yes | ||
| sin(x) | Yes | ||
| sqrt(x) | Yes | ||
| tan(x) | Yes | ||
2.10 Date Objects
| Property/Function/Method | Support | Remark | |
|---|---|---|---|
| The Date Constructor Called as a Function | |||
| Date ([year, month, date, hours, minutes, seconds, ms]) | Yes | Timer precision is system-dependent. | |
| The Date Constructor | |||
| new Date(year, month [, date, hours, minutes, seconds, ms]) | Yes | ||
| new Date() | Yes | ||
| new Date(milliseconds) | Yes | ||
| new Date(dateString) | Yes | ||
| Properties of the Date Constructor | |||
| length | Yes | ||
| prototype | Yes | ||
| parse(string) | Yes | ||
| UTC(year, month [, date, hours, minutes, seconds, ms]) | Yes | ||
| version | Yes | In NF3, this item is processed only when ECMAScript Mobile Profile is enabled. | |
| Properties of the Date Prototype Object | |||
| constructor | Yes | ||
| toString() | Yes | ||
| toDateString() | Yes | ||
| toTimeString() | Yes | ||
| toLocaleString() | Yes | ||
| toLocaleDateString() | Yes | ||
| toLocaleTimeString() | Yes | ||
| valueOf() | Yes | ||
| getTime() | Yes | ||
| getFullYear() | Yes | ||
| getUTCFullYear() | Yes | ||
| getMonth() | Yes | ||
| getUTCMonth() | Yes | ||
| getDate() | Yes | ||
| getUTCDate() | Yes | ||
| getDay() | Yes | ||
| getUTCDay() | Yes | ||
| getHours() | Yes | ||
| getUTCHours() | Yes | ||
| getMinutes() | Yes | ||
| getUTCMinutes() | Yes | ||
| getSeconds() | Yes | ||
| getUTCSeconds() | Yes | ||
| getMilliseconds() | Yes | ||
| getUTCMilliseconds() | Yes | ||
| getTimezoneOffset() | Yes | ||
| setTime(time) | Yes | ||
| setMilliseconds(ms) | Yes | ||
| setUTCMilliseconds(ms) | Yes | ||
| setSeconds(sec [, ms]) | Yes | ||
| setUTCSeconds(sec [, ms]) | Yes | ||
| setMinutes(minute [, sec, ms]) | Yes | ||
| setUTCMinutes(minute [, sec, ms]) | Yes | ||
| setHours(hour [, minute, sec, ms]) | Yes | ||
| setUTCHours(hour [, minute, sec, ms]) | Yes | ||
| setDate(date) | Yes | ||
| setUTCDate(date) | Yes | ||
| setMonth(month [, date]) | Yes | ||
| setUTCMonth(month [, date]) | Yes | ||
| setFullYear(year [, month, date]) | Yes | ||
| setUTCFullYear(year [, month, date]) | Yes | ||
| toUTCString() | Yes | ||
| toGMTString() | Yes | ||
| getYear() | Yes | ||
| setYear(year) | Yes | ||
| toSource() | No | ||
2.11 RegExp (Regular Expression) Objects
| Property/Function/Method | Support | Remark | |
|---|---|---|---|
| The RegExp Constructor Called as a Function | |||
| RegExp(pattern [, flags]) | Yes | ||
| The RegExp Constructor | |||
| new RegExp(pattern [, flags]) | Yes | ||
| Properties of the RegExp Constructor | |||
| length | Yes | ||
| prototype | Yes | ||
| $1, …$9 | Yes | ||
| multiline(also $*) | No | ||
| version | Yes | In NF3, this item is processed only when ECMAScript Mobile Profile is enabled. | |
| Properties of the RegExp Prototype Object | |||
| constructor | Yes | ||
| exec([string]) | Yes | ||
| test([string]) | Yes | ||
| toString() | Yes | ||
| compile(pattern [, flags]) | Yes | ||
| toSource() | No | ||
| valueOf() | Yes | ||
| Properties of RegExp Instances | |||
| source | Yes | ||
| global | Yes | ||
| ignoreCase | Yes | ||
| multiline | Yes | ||
| lastIndex | Yes | ||
2.12 Error Objects
| Property/Function/Method | Support | Remark | |
|---|---|---|---|
| The Error Constructor Called as a Function | |||
| Error(message) | Yes | ||
| The Error Constructor | |||
| new Error(message) | Yes | ||
| Properties of the Error Constructor | |||
| length | Yes | ||
| prototype | Yes | ||
| version | Yes | In NF3, this item is processed only when ECMAScript Mobile Profile is enabled. | |
| Properties of the Error Prototype Object | |||
| constructor | Yes | ||
| name | Yes | ||
| message | Yes | ||
| toString() | Yes | ||
| code | Yes | In NF3, this item is processed only when ECMAScript Mobile Profile is enabled. Memory error does not occur. |
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