Filter Array tutorial in JavaScript
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<title>Filter Array Method JavaScript</title>
<script>
var ages = [10, 12, 19, 20];
document.write(ages + "<br><br>");
//filter() function will return a new Array based on condition. filter() function will not change old existing Array
var b = ages.filter(checkAdult);
document.write(b + "<br><br>");
function checkAdult(age) {
return age >= 18;
}
</script>
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