search on array javascript code example
Example 1: find element in array javascript
const simpleArray = [3, 5, 7, 15];
const objectArray = [{ name: 'John' }, { name: 'Emma' }]
console.log( simpleArray.find(e => e === 7) )
console.log( simpleArray.find(e => e === 10) )
console.log( objectArray.find(e => e.name === 'John') )
Example 2: function search in javascript array
function findInArray(ar, val) {
for (var i = 0,len = ar.length; i < len; i++) {
if ( ar[i] === val ) {
return i;
}
}
return -1;
}
var ar = ['Rudi', 'Morie', 'Halo', 'Miki', 'Mittens', 'Pumpkin'];
alert( findInArray(ar, 'Rudi') );
alert( findInArray(ar, 'Coco') );
Example 3: how to find id in array javascript
const array1 = [5, 12, 8, 130, 44];
const found = array1.find(element => element > 10);
console.log(found);