Created
January 21, 2013 13:04
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JavaScript test for String
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| function isString(str) { | |
| return Object.prototype.toString.call(str) == '[object String]'; | |
| } | |
| /* | |
| Test data: | |
| isString(null) -> false | |
| isString(undefined) -> false | |
| isString([]) -> false | |
| isString({}) -> false | |
| isString(138) -> false | |
| isString(1.138) -> false | |
| isString(true) -> false | |
| isString('a string') -> true | |
| isString(new String('a string')) -> true | |
| */ |
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