Modify object property in an array of objects

Question

var foo = [{ bar: 1, baz: [1,2,3] }, { bar: 2, baz: [4,5,6] }];

var filtered = $.grep(foo, function(v){
    return v.bar === 1;
});

console.log(filtered);
<         


        

Answer 1

We can also achieve this by using Array's map function:

 foo.map((obj) => {
   if(obj.bar == 1){
     obj.baz[0] = 11;
     obj.baz[1] = 22;
     obj.baz[2] = 33;
   }
 })