Question

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Loop through array in JavaScript

I want to make the equivalent of php’s foreach in javascript. Because I don’t really know the Javascript language, I’d like someone to rewrite this PHP code into the Javascript piece:

$my_array = array(2 => 'Mike', 4 => 'Peter', 7 => 'Sam', 10 => 'Michael');

foreach($my_array as $id => $name)
{
     echo $id . ' = ' . $name;
}

Is that even possible to do in the Javascript language?

Answer 1

The closest construct is

a = { 2: 'Mike', 4: 'Peter', 7: 'Sam', 10: 'Michael' };
for(var n in a) {
    console.log(n+'='+a[n]);
}