Question

How can I pass a array name into a function and read values dynamically?

Dynamically i have generated array as follows

fruits[0] = "Banana";
fruits[1] = "Orange";
fruits[2] = "Apple";

//Hyperlink to activate function below

I have a function in hyeperlink <a href="javascript: activate('1', 'fruits')">Click Me</a>

Below is the function

function activate(idNumber, arrayName)
{
  alert('id is:'+ idNumber); **//Working** 
  alert(arrayName[idNumber]); **//Not working must print fruits[1]**

}

Answer 1

It depends on the scope in which ‘fruits’ is defined.

Assuming it is global, window[arrayName] will get it when arrayName=='fruits'. This is because window holds a reference to all global objects.