[Webkit-unassigned] [Bug 212449] Javascript engine gets confused, calls method on wrong object.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=212449

--- Comment #1 from Yusuke Suzuki <ysuzuki at apple.com> ---
> $this
< PayrollRemittanceAgencyEventWizardStepHome {cid: "view247", el: k, tagName: "div", events: Object, $el: k, …}
> $this.__proto__
< PayrollRemittanceAgencyEventWizardStepHome {on: function, listenTo: function, off: function, stopListening: function, once: function, …}
> $this.__proto__.__proto__
< WizardStep {on: function, listenTo: function, off: function, stopListening: function, once: function, …}
> $this.__proto__.__proto__.render
< function render() {
                this.initCardsBlock();
                return this._render();
        }
> $this.render
< function render() {
                //do render stuff
        }
> $this.hasOwnProperty('render')
< true

So, WizardStep#render is not called because $this has its own "render" function which is empty. And it is defined in PayrollRemittanceAgencyEventWizard.js.

So, this is not related to ES6 class.

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