check value exist in array object javascript code example
Example: javascript check if value exists in array of objects
var arr = [{ id: 1, name: 'JOHN' },
{ id: 2, name: 'JENNIE'},
{ id: 3, name: 'JENNAH' }];
function userExists(name) {
return arr.some(function(el) {
return el.name === name;
});
}
console.log(userExists('JOHN')); // true
console.log(userExists('JUMBO')); // false