underscore.js _.isArguments[Object]
2012-04-16 23:10
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Returns true if object is an Arguments object
返回true,如果是arguments对象
源码:
返回true,如果是arguments对象
(function(){ return _.isArguments(arguments); })(1, 2, 3);
=> true
_.isArguments([1,2,3]);
=> false源码:
_.isArguments = function(obj) {
return toString.call(obj) == '[object Arguments]';
};
if (!_.isArguments(arguments)) {
_.isArguments = function(obj) {
return !!(obj && _.has(obj, 'callee'));
};
}
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