javascript - What does this variable contain: var message = {}; -

this question has answer here:

does variable hold empty function?

var message = {};

thanks!

does variable hold empty function?

no. doesn't hold empty function.

this empty object. equivalent this

var message = new object();

the syntax using curly braces called object literal. more formally,

an object literal list of 0 or more pairs of property names , associated values of object, enclosed in curly braces ({}).

for detailed explanation of object literals, please have here.

Running