vanillacoding tag

2 questions

1 answers
108 views
0

I wonder about this!

function foo(){ console.log(this);}foo();Why is this undefined??

2 years ago

2 answers
85 views
0

I don't know why the object value is NaN.

Hello, how are you? var b = fn('AACBDB')I want to put the matching alphabet in the object value and increase the number if it matchesI'm asking you a question as NaN. { A:2, B:2, C:1 }I'd like to do i...

vanillacoding javascript

2 years ago

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