javascript - Passing multiple viewmodels to a component - performance issues? -

using knockout.js components i'm wondering if performance affected when passing multiple viewmodels component instead of single one.

having following:

function masterviewmodel(){     this.demo = new demoviewmodel().init();     this.demo2 = new demo2viewmodel().init();     this.demo3 = new demo3viewmodel().init();     this.demo4 = new demo4viewmodel().init();     this.demo5 = new demo5viewmodel().init();     this.demo6 = new demo6viewmodel().init(); }  var mm = new masterviewmodel(); ko.applybindings(mm, $(':root').get(0)); 

i thinking of passing whole masterviewmodel variable component in order able access viewmodels it:

ko.components.register(element, {     viewmodel: { instance: mm },     template: { require: 'text!views/mycomponent.html' }, }); 

would performance affected in bad way if instead of passing single viewmodel?

ko.components.register(element, {     viewmodel: { instance: mm.demo3 },     template: { require: 'text!views/mycomponent.html' }, }); 

will there noticeable performance difference between register option 1 , 2? no. code you've presented, 2 options equivalent, except 1 instance of . operator. negligable.

knockout not afaik walk entire view model object graph take action (e.g. subscribe observable changes), keeps reference view model instance.

apart direct answer question: performance context dependent. if have doubts option faster: race horses.