JSFiddle - React, Tailwind, and code Playground
JavaScript
var teste = [
{id:'1234', teste:'bataba'},
{id:'12345', teste:'bataba2'},
{id:'12346', teste:'bataba3'}
]
var id = '12345';
for (var i in teste) {
if(teste[i].id == id){
console.log(teste[i].id);
}
}