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Meteor - JavaScript Web Framework MCQs

Which sample code correctly uses Meteor methods inside a template helper?

Template.helloWorld.helpers({ txt: function () { return Template.instance().myAsyncValue.get(); } }); Template.helloWorld.add = function (){ var self = this; self.myAsyncValue = new ReactiveVar("Waiting for response from server..."); Meteor.call('getAsyncValue', function (err, asyncValue) { if (err) console.log(err); else self.myAsyncValue.set(asyncValue); }); }

Template.helloWorld.helpers({ txt: function () { return Template.instance().myAsyncValue.get(); } }); Template.helloWorld.created = function (){ var self = this; self.myAsyncValue = new ReactiveVar("Waiting for response from server..."); Meteor.call('getAsyncValue', function (err, asyncValue) { if (err) console.log(err); else self.myAsyncValue.set(asyncValue); }); }

Both of the above

None of the above

Answer

Correct Answer: Template.helloWorld.helpers({ txt: function () { return Template.instance().myAsyncValue.get(); } }); Template.helloWorld.created = function (){ var self = this; self.myAsyncValue = new ReactiveVar("Waiting for response from server..."); Meteor.call('getAsyncValue', function (err, asyncValue) { if (err) console.log(err); else self.myAsyncValue.set(asyncValue); }); }

Explanation:

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