The syntax is identical so how does JavaScript distinguish the two under the hood? Does it look at the data type of the variable that is being operated on? Or where that variable is being used? Both or neither?
I am practicing using ...rest operator to pass arguments to functions. I have run into an issue that I'm unable to resolve for when passing an object to the function. Here is the function: function sum(...args){ if (args.length === 1…
I have a function which receives a variable number of arguments (each of type string), and a final argument (of a complex type, called Expression). In JavaScript, this looks like: function layerProp(...args) { const fields = args.slice(0, -1) const fallbackExpression…