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at October 4, 2011 03:58 by vaibhav011286
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function empty(a) {
if (a === "" || a === 0 || a === null || a === 'null' || a === 'undefined' || a === !1 || typeof a === "undefined") return !0;
if (typeof a === "object") if (a instanceof Array) return a.length === 0;
else {
for (var b in a) return !1;
return !0
}
if (typeof a === "string") return a.length === 0
}
//it detects any type of empty var in JS like array, object, string, number etc..
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detect any type of empty var in JS
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JavaScript