JSFiddle - React, Tailwind, and code Playground

JavaScript

var x = [{name : 'name1' , value : 15 }, {name :'name2' , value: 60}];
var y = [[1,2,3] , [4,5,6]]; 
for(var t = 0, len = y.length; t < len; t++){
    (function(t){
        x[t].myFun = function(){console.log(y[t])};
    })(t);
}

console.log(x[0].myFun());