<pre name="code" class="html">function sum(num1,num2)
{
return num1 +num2;
}
alert(sum(10,10)); //20
var other = sum;
alert(other(10,10)); //20
sum = null;
alert(other(10,10)); //20
function sum(num1)
{
return num1 +100;
}
function sum(num1)
{
return num1 +200;
}
alert(sum(200)); //400
function sum(num1)
{
return num1 +100;
}
sum = function(num1)
{
return num1 +200;
}
alert(sum(200)); //400
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