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alanshaw/gist:4585888

Created January 21, 2013 13:04
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JavaScript test for String
Raw
gistfile1.js
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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