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ruan4261/is_empty.js

Last active June 30, 2021 06:49
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is_empty.js
/**
* Only for String and ArrayLike.
* Return false if parameter is an object.
*
* @return {boolean}
*/
function isEmpty(obj) {
return (
obj === undefined ||
obj === null ||
Number(obj.length) === 0 ||
(typeof obj === "string" && obj.trim().length === 0)
);
}
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