What is the reason behind Chrome Dev Tools not automatically adding the parentheses when a method is selected?

In the console of Dev Tools, if you have an object named x with three methods/functions - a(), b(), and c(i, j, k), why doesn't it automatically insert the parentheses, along with the correct spaces for the parameters (similar to eclipse for Java) when you use the auto-complete tab or enter?

Currently, after selecting x.a, x.b, or x.c, it only prints without the function parentheses.

I am assuming that this behavior is because in JavaScript, functions can be overloaded and have different parameter types, unlike Java where constructors have a fixed order. Is there any way to make it possible to include the function parameters in the autocomplete feature?

javascriptgoogle-chrome-devtools

Answer №1

I believe it's important for DevTools not to make assumptions about how developers interact with autocomplete. Perhaps I may want to explore other methods and properties by adding another . after a method name, such as apply, bind, call, name, etc. in JavaScript. The possibilities extend beyond just calling someObject.someMethod().

Answer №2

It is not always certain that a function will only expect one parameter, even if it was initially declared with just one argument, as the function could potentially utilize local variables for additional arguments.

function exampleFunc(x, y) {
  alert(arguments[0])
  alert(arguments[1])
  alert(arguments[2])
}

exampleFunc(10, 20, 30)

Furthermore, there are instances where you may simply pass the function itself as a callback.

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