JavaScript equivalent of jQuery's extend method

Question

Background

I have a function that takes a config object as an argument. Within the function, I also have default object. Each of those

Answer 1

You can use the ECMA 2018 spread operator in object literals...

var config = {key1: value1};
var default = {key1: default1, key2: default2, key 3: default 3};

var settings = {...default, ...config}

//resulting properties of settings:
settings = {key1: value1, key2: default2, key 3: default 3};

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