please tell me what do you mean by the flowing line"If you pass more arguments than are defined, they will be assigned to an arr

Answer 1

Please tag a relevant language name apart from 'parameters' ☝

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As for your question, quoting from https://www.sololearn.com/learn/JavaScript/1147/

"If you pass more arguments than are defined, they will be assigned to an array called arguments. They can be used like this: arguments[0], arguments[1], etc."

Let's say you define a function with only 1 parameter ...

function myFunction(a)
{
// codes here
}

But you call the function passing more than 1 argument ...

myFunction("Hello", 123, 45.6, true);

Javascript will store arguments into an array named 'arguments'. And you can access it inside the function as follows ...

function myFunction(a)
{
console.log(arguments[0]);
// Hello
console.log(arguments[1]);
// 123
// and so on ...
}

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https://www.sololearn.com/Discuss/333866/?ref=app