javascript - Array.push return pushed value? -

Is there any reason enough that Array.push () the length of the new array is a bad idea Might be possible?

I do not know whether it is already proposed or asked before; There are only innumerable questions related to the current functionality of Array.push () in Google searches

An example implementation of this functionality is, feel free to fix it: < / P>

 ; (Function () {var _push = Array.prototype.push; Array.prototype push = function} {return it [_push.apply (this, argument) - 1];}} ());  

Then you will be able to do something like this:

  var someArray = [], value = "Hello world"; Function Some functions (value, obez) {obj ["someKey"] = value; } Some functions (value, someArray.push ({});  

Where some functions modify the object passed as the second parameter, for example. Now the content of someArray [["Somki": "Hello World"}] .

Are there any drawbacks to this approach? There are no solid reasons to modify Array.push () : p>

< Blockquote>

Returning the push object instead of the new array can be a bad idea?

Of course there is one: to behave as other code defined in the Array :: push specification, ie to return the new length. And other developers will get your code out of understanding, then you will have to redefine the built-in functions to behave unexpectedly.

Choose another name for at least the method.

After this you will be able to do something like this: some functions (values, some arrows. Push ({});

Uh, what? Yes, my second issue is already attacked: -)

However, if you have not used push , even then do not get it in what you want to do is. The composition you should express is "Add an object that contains a key and value for an array". With a more functional style, some functions get this object back, and you can type

  var someArray = [], value = "Hello World"; Function Some functions (value, obez) {obj ["someKey"] = value; Return obj; } SomeArray.push (some function (value, {}));