ARRAY REDUCE
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<h2 style="background-color:
rgb(9, 238, 9);color:rgb(255, 0, 0);font-weight: bolder;font-family: Georgia,
'Times New Roman', Times, serif;">Array Reduce</h2>
<h5 style="color:
rgb(231, 15, 166);">Output</h5>
</head>
<body>
<script>
var arr=[2,3,1,5];
var a=arr.reduce(function (accumulator,currentValue) {
return accumulator+currentValue;
},0);
document.write("The sum of the array elements is: "+a);
</script>
</body>
</html>
Output
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<h2 style="background-color:
rgb(9, 238, 9);color:rgb(255, 0, 0);font-weight: bolder;font-family: Georgia,
'Times New Roman', Times, serif;">Array Reduce</h2>
<h5 style="color:
rgb(231, 15, 166);">Output</h5>
</head>
<body>
<script>
var a=[30,15,5,3];
document.write("The difference of the array elements is: ");
document.write(a.reduce(reducer_func));
function reducer_func(net,n){
return net-n;
}
</script>
</body>
</html>
Output
Sum of digit using Round Function
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<h2 style="background-color:
rgb(9, 238, 9);color:rgb(255, 0, 0);font-weight: bolder;font-family: Georgia,
'Times New Roman', Times, serif;">Array Reduce</h2>
<h5 style="color:
rgb(231, 15, 166);">Output</h5>
</head>
<body>
<p>sum of the rounded numbers</p>
<p id="demo"></p>
<script>
const numbers = [8.5,
4.3, 3.1,
2.7,15.2];
document.getElementById("demo").innerHTML = numbers.reduce(getSum, 0);
function getSum(total, num) {
return total + Math.round(num);
}
</script>
</body>
</html>
Output
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