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Instructions from your teacher. Medium Question #4 Write a function called addNeighbors that takes an array of numbers and adWrite a function called addNeighbors that takes an array of numbers and adds each number in the array to the number next to it. The array will always have an even number of numbers in it. In the end you should return an array of neighbors added up. Please use JavaScript

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Answer #1

<!doctype html>
<html>
<head>
<script>
function addNeighbors(arrr)
{
var lenn=arrr.length,i;
var array=new Array(lenn-1);
if(lenn%2==0)
{
for(i=0;i<lenn-1;i++)
array[i]=arrr[i]+arrr[i+1];
return array;
}
else
{
document.write("<br>"+"Enter array with only even length"+"<br>");
}
}
function printresult(result)
{
document.write("<br>");
for(var j=0;j<result.length;j++)
   document.write(result[j]+" ");
}
document.write("<br>"+"for array 1");
var result1=addNeighbors([1,2,3,4,5,6,7,8]);
printresult(result1)
document.write("<br>"+"for array 2");
var result2=addNeighbors([12,32,35,28,10,18,55]);
printresult(result2)

</script>
</head>
<body>
</body>
</html>

output:

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