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in Web Technology by (47.8k points)

I need to be able to merge two (very simple) JavaScript objects at runtime. For example, I'd like to:

var obj1 = { food: 'pizza', car: 'ford' } 

var obj2 = { animal: 'dog' } 

obj1.merge(obj2); 

//obj1 now has three properties: food, car, and animal

Does anyone have a script for this or know of a built in way to do this? I do not need recursion, and I do not need to merge functions, just methods on flat objects.

1 Answer

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by (107k points)

If you want to merge properties of two JavaScript objects dynamically you would use object spread:

let merged = {...obj1, ...obj2};

OR

const allRules = {...obj1, ...obj2, ...obj3};

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