javascript isset

if (typeof foo !== 'undefined') {
  
}

4
3
Bvpx 100 points

                                    if (typeof obj.foo !== 'undefined') {
}

4 (3 Votes)
0
4.11
9
Jia-Wisteria 110 points

                                    if (typeof obj.foo !== 'undefined') {
  // your code here
}

4.11 (9 Votes)
0
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