JavaScript equivalent of jQuery's extend method

Question

Background

I have a function that takes a config object as an argument. Within the function, I also have default object. Each of those

Answer 1

It helps me a lot when I develop with pure javascript.

function extends(defaults, selfConfig){
     selfConfig = JSON.parse(JSON.stringify(defaults));
     for (var item in config) {
         if (config.hasOwnProperty(item)) {
             selfConfig[item] = config[item];
         }
     }
     return selfConfig;
}