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How to get the difference between two arrays in JavaScript?
To get the difference between two arrays in JavaScript, try to run the following code. Here, we're using some method like split(), indexOf(), sort(), etc to get the elements, which aren't the same in both the arrays −
Example
<html>
<head>
<title>JavaScript Dates</title>
</head>
<body>
<script>
function arrDifference (arr1, arr2) {
var arr = [];
arr1 = arr1.toString().split(',').map(Number);
arr2 = arr2.toString().split(',').map(Number);
// for array1
for (var i in arr1) {
if(arr2.indexOf(arr1[i]) === -1)
arr.push(arr1[i]);
}
// for array2
for(i in arr2) {
if(arr1.indexOf(arr2[i]) === -1)
arr.push(arr2[i]);
}
return arr.sort((x,y) => x-y);
}
document.write(arrDifference([50, 40, 90], [70, 50, 99, 40, 90]));
</script>
</body>
</html>
Output
70,99
Updated on: 2020-06-18T08:23:34+05:30
328 Views
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