JSFiddle - React, Tailwind, and code Playground

JavaScript

var data = [{
    "eid": 12,
    "gender": "1",
    "age": 1,
    "pass": ["2", "1"]
}, {
    "eid": 11,
    "gender": "0",
    "age": 1,
    "pass": ["1", "3"]
}, {
    "eid": 20,
    "gender": "1",
    "age": 1,
    "pass": ["2", "3"]
}]

    function grabber(data, pass) {
        return data.filter(function (el) {
            return el.pass.some(function (num) {
                return +num === pass;
            })
        }).map(function (el) {
            return el.eid;
        });
    }
var out = grabber(data, 1);
console.log(out)