Access JSON data with string path?

Question

var give = \'i.want.it\';

var obj = {
    i: {
        want: {
            it: \'Oh I know you do...\'
        }
    }
};

console.log(obj[give]); // \'Oh I know yo         


        

Answer 1

Use Array#reduce() method

var give = 'i.want.it';

var obj = {
  i: {
    want: {
      it: 'Oh I know you do...'
    }
  }
};


var res = give.split('.').reduce(function(o, k) {
  return o && o[k];
}, obj);

console.log(res);