for the case 59: let obj = { prop: undefined } the third method will not work with this object.
Hi, yes It will not work because you're setting the value of that property as 'undefined ' value.
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for the case 59:
let obj = { prop: undefined }
the third method will not work with this object.
Hi, yes It will not work because you're setting the value of that property as 'undefined ' value.