How to pass multiple parameter in an object with javascript?

Question

I want to send parameters to populate function of Mongoose JS.

.populate('friends', { username: 1, age: 1})

How should I pass these variables in an object? So I will call this function like:

.populate(populationVars)

What does populationVars look like?

tymeJV
– tymeJV

2017-01-18 13:47:59 +00:00
Commented Jan 18, 2017 at 13:47 — tymeJV
– tymeJV, Commented Jan 18, 2017 at 13:47
That is exactly what I wonder to know:)

Burak
– Burak

2017-01-18 13:48:35 +00:00
Commented Jan 18, 2017 at 13:48 — Burak
– Burak, Commented Jan 18, 2017 at 13:48

tymeJV · Accepted Answer · 2017-01-18 13:50:24Z

2

You could use apply I suppose:

var populationVars = ["friends", { username: 1, age: 1}];
fn.populate.apply(null, populationVars);

answered Jan 18, 2017 at 13:50

tymeJV

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2 Comments

Burak Over a year ago

I'm getting TypeError: Cannot read property 'populate' of undefined in node_modules/mongoose/lib/query.js:2719:27 if (!utils.isObject(opts.populate)) { opts.populate = {}; }

tymeJV Over a year ago

@Burak - That means opts is undefined.

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