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How to declare, initialize and print one-dimensional array of integers in JavaScript

2 Answers

0 votes
<!DOCTYPE html>
<html>
<head></head>
<body>

<script>
var arr = [1, 2, 3, 4, 5];

for(var i in arr) { 
    document.writeln("arr[" + i + "] = " + arr[i] + "<br />"); 
}
</script>

</body>
</html>

<!--
run: 

arr[0] = 1
arr[1] = 2
arr[2] = 3
arr[3] = 4
arr[4] = 5

-->

 



answered Feb 4, 2016 by avibootz
0 votes
<!DOCTYPE html>
<html>
<head></head>
<body>

<script>
var arr = [];
 
for (i = 0; i < 10; i++)
    arr[i] = i + 1;
 
for(var i in arr) 
    document.writeln("arr[" + i + "] = " + arr[i] + "<br />"); 
</script>

</body>
</html>

<!--
run: 

arr[0] = 1
arr[1] = 2
arr[2] = 3
arr[3] = 4
arr[4] = 5
arr[5] = 6
arr[6] = 7
arr[7] = 8
arr[8] = 9
arr[9] = 10

-->

 



answered Feb 6, 2016 by avibootz
...