javascript - How to set a dynamic variable for push method? -

i trying push items different arrays. @ moment can using if statements, , if have many arrays? how can use dynamic variables push elements array?

use object references arrays (or original container create them in).

var env = {               // var = [0, 2, 4], b = [1, 3, 5],     'foo': [0, 2, 4],     //     env = {};     'bar': [1, 3, 5]      // env['foo'] = a; };                        // env['bar'] = b;  function addtoarr(k, x) { // `k` string key, `x` item append     env[k].push(x);       // push `x` array ref `env[k]` }  addtoarr('foo', 6);       // example usage addtoarr('bar', 7);  env;                      // result /* {     "foo": [0, 2, 4, 6],  // ===     "bar": [1, 3, 5, 7]   // === b } */ 

of course, can use whatever logic object's keys , how function decides upon use.