Question

182

How to set Date of an existing moment.js object

rated 0 times [ 186] [ 4] / answers: 1 / hits: 84356 / 9 Years ago, wed, march 11, 2015, 12:00:00

Let's say I have an existing moment object:

var m = moment(); // this will default to now

and want to update it with a new Date object, but WITHOUT REPLACING the entire object. E.g. this is NOT an acceptable solution for me:

m = moment(new Date());

The only solution I can find in there docs, is using set method:

m.set({'year': 2013, 'month': 3});

but in this way we'll need to split our existing Date object into peaces like this:

var myDate = new Date();

var newDate = moment(myDate);



var splittedDate = {

    year: newDate.get('year'),

    month: newDate.get('month'),

    date: newDate.get('date'),

    hour: newDate.get('hour'),

    minute: newDate.get('minute'),

    second: newDate.get('second'),

    millisecond: newDate.get('millisecond')

};



m.set(splittedDate);

But this looks ugly to me. Maybe someone can suggest a better solution?

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annalieset

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4 Years ago

answered 9 Years ago leog · Accepted Answer

It may be a little late, but you can transform your new date to an object (newDate.toObject()) and pass it to the set method of your previous moment object:

var m = moment(); // Initial moment object



// Create the new date

var myDate = new Date();

var newDate = moment(myDate);



// Inject it into the initial moment object

m.set(newDate.toObject());