Converting an array to a function arguments list [duplicate]

Solution 1:

Yes. In current versions of JS you can use:

app[func]( ...args );

Users of ES5 and older will need to use the .apply() method:

app[func].apply( this, args );

Read up on these methods at MDN:

• .apply()
• spread "..." operator (not to be confused with the related rest "..." parameters operator: it's good to read up on both!)

Solution 2:

A very readable example from another post on similar topic:

var args = [ 'p0', 'p1', 'p2' ];

function call_me (param0, param1, param2 ) {
    // ...
}

// Calling the function using the array with apply()
call_me.apply(this, args);

And here a link to the original post that I personally liked for its readability

Solution 3:

app[func].apply(this, args);