1 Boolean.parse = function Boolean$parse(value) {
5 var e = Function._validateParams(arguments, [
6 {name: "value", type: String}
7 ]);
8 if (e) throw e;
9 var v = value.trim().toLowerCase();
10 if (v === 'false') return false;
11 if (v === 'true') return true;
12 throw Error.argumentOutOfRange('value', value, Sys.Res.boolTrueOrFalse);
13 }