array count items
<?php
$arr = ["one", "two", "three", "four"];
echo count($arr);
?>array count items
<?php
$arr = ["one", "two", "three", "four"];
echo count($arr);
?>use .map to count length of each element in an array
var words = ['Hello', 'world'];
var lengths = words.map(function(word) {
return word + ' = ' + word.length;
});
console.log(lengths);typescript count array condition
let data = [ { "id": 1, "is_read": true, }, { "id": 2, "is_read": true, }, { "id": 3, "is_read": false, }, { "id": 4, "is_read": true, }, ],
length = data.filter(function(item){
return item.is_read;
}).length;
console.log(length)Copyright © 2021 Codeinu
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