Basic Library
Global
Note: SJS does not support most global attributes and methods of JavaScript.
Attribute
- Infinity
- NaN
- undefined
For specific usage, see the ES5 standard.
Method
- decodeURI
- decodeURIComponent
- encodeURI
- encodeURIComponent
- isNaN
- isFinite
- parseFloat
- parseInt
For specific usage, see the ES5 standard.
Console
The console.log method can output information in the console window and accept multiple parameters and combine their results for output.
Date
Method
- now
- parse
- UTC
For specific usage, see the ES5 standard.
Number
Attribute
- MAX_VALUE
- MIN_VALUE
- NEGATIVE_INFINITY
- POSITIVE_INFINITY
For specific usage, see the ES5 standard.
JSON
Method
stringify(object): Convert the object into a JSON string and return the string
parse(string): Convert the JSON string into an object and return the object
Example
copy
console.log(undefined === JSON.stringify());
console.log(undefined === JSON.stringify(undefined));
console.log("null"===JSON.stringify(null));
console.log("222"===JSON.stringify(222));
console.log('"222"'===JSON.stringify("222"));
console.log("true"===JSON.stringify(true));
console.log(undefined===JSON.stringify(function(){}));
console.log(undefined===JSON.parse(JSON.stringify()));
console.log(undefined===JSON.parse(JSON.stringify(undefined)));
console.log(null===JSON.parse(JSON.stringify(null)));
console.log(222===JSON.parse(JSON.stringify(222)));
console.log("222"===JSON.parse(JSON.stringify("222")));
console.log(true===JSON.parse(JSON.stringify(true)));
console.log(undefined===JSON.parse(JSON.stringify(function(){})));Math
Attribute
- E
- LN10
- LN2
- LOG2E
- LOG10E
- PI
- SQRT1_2
- SQRT2
For specific usage, see the ES5 standard.
Method
- abs
- acos
- asin
- atan
- atan2
- ceil
- cos
- exp
- floor
- log
- max
- min
- pow
- random
- round
- sin
- sqrt
- tan
For specific usage, see the ES5 standard.