javascript - Adding custom variables to an object -


this question has answer here:

suppose have object obj has variables in it. want add new variable has name gave parameter. example:

var obj= {   number:8 }  function addfield(field_name,obj) {   //some magical code here }

if call 

addfield('name',obj);

i want able do

obj.name='apple'

after calling function.

any ideas?

use square brackets notation:

obj[field_name] = value;

ref: http://www.jibbering.com/faq/faq_notes/square_brackets.html#vid


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