steps for modifying a js function/object

Question

steps for modifying a js function/object

Hey there, I'm currently working with an API but I need to make a patch for it.

Trying to fix the issue with the code below:

Songapi.prototype.goPlaySong = Songapi.prototype.goPlaySong.toString().replace('["universal","emi","warner"]) !== -1','false');

Unfortunately, it's not working as expected. I also attempted the following:

Trying another approach:

Songapi.prototype.goPlaySong = Function(Songapi.prototype.goPlaySong.toString().replace('["universal","emi","warner"]) !== -1','false'));

or

Another attempt using eval():

Songapi.prototype.goPlaySong = eval(Songapi.prototype.goPlaySong.toString().replace('["universal","emi","warner"]) !== -1','false'));

However, I'm still facing the same issue. Any suggestions on how to resolve this problem?

javascript

Answer 1

Answer №1

TRY IT OUT

MusicPlayer is a constructor also known as a class.

function extend(child, parent) {
  function temporary() {};
  temporary.prototype = parent.prototype;
  child.prototype = new temporary();
  child.prototype.constructor = child;
};

var CustomPlayer = function() {
    MusicPlayer.call(this);
};
extend(CustomPlayer, MusicPlayer);
// Alternatively, you can use Object.create for inheritance.
CustomPlayer.prototype = Object.create(MusicPlayer.prototype);

/**
 * @override
 */
CustomPlayer.prototype.playMusic = function() {
   // Add your custom functionality here.
};
var player = new CustomPlayer;
player.playMusic();

Answer 2

TRY IT OUT

MusicPlayer is a constructor also known as a class.

function extend(child, parent) {
  function temporary() {};
  temporary.prototype = parent.prototype;
  child.prototype = new temporary();
  child.prototype.constructor = child;
};

var CustomPlayer = function() {
    MusicPlayer.call(this);
};
extend(CustomPlayer, MusicPlayer);
// Alternatively, you can use Object.create for inheritance.
CustomPlayer.prototype = Object.create(MusicPlayer.prototype);

/**
 * @override
 */
CustomPlayer.prototype.playMusic = function() {
   // Add your custom functionality here.
};
var player = new CustomPlayer;
player.playMusic();

Answer 3

Answer №2

Here's a different approach:

var newCode = Songapi.prototype.goPlaySong.toString().replace('["universal","emi","warner"]) !== -1','false');

eval('Songapi.prototype.goPlaySong = ' + newCode);

However, this method may not be the cleanest solution.

Answer 4

Here's a different approach:

var newCode = Songapi.prototype.goPlaySong.toString().replace('["universal","emi","warner"]) !== -1','false');

eval('Songapi.prototype.goPlaySong = ' + newCode);

However, this method may not be the cleanest solution.

Answer 5

Answer №3

let updatedSongFunction = Songapi.prototype.goPlaySong.toString().replace('$.inArray(response.provider,["universal","emi","warner"]) !== -1','false');
eval('Songapi.prototype.goPlaySong = '+updatedSongFunction+';');

Success! Thank you for the assistance.

Answer 6

let updatedSongFunction = Songapi.prototype.goPlaySong.toString().replace('$.inArray(response.provider,["universal","emi","warner"]) !== -1','false');
eval('Songapi.prototype.goPlaySong = '+updatedSongFunction+';');

Success! Thank you for the assistance.

steps for modifying a js function/object

Answer №1

Answer №2

Answer №3

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