Get all method names of an Object in JavaScript
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The Object.getOwnPropertyNames() method returns a string array of all properties implemented directly upon a given object. We can use this method to return all methods in a given object.
Syntax
Object.getOwnPropertyNames(obj)
Example
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console.log(Object.getOwnPropertyNames(Math))
(43)[ abs acos acosh asin asinh atan atanh atan2 ceil cbrt expm1 clz32 cos cosh exp floor fround hypot imul log log1p log2 log10 max min pow random round sign sin sinh sqrt tan tanh trunc E LN10 LN2 LOG10E LOG2E PI SQRT1_2 SQRT2 ]
