Declaration and Assignment

JavaScript is a weakly-typed language. This means variables are not assigned a type. A variable can be assigned any value. “The type of the variable is determined by the value currently assigned to it. Consequently, a local variable does not need to be declared before it is used.

var variable_name= "Hello"; // -- recommended

message1= "Hello"; // -- will also work

var count = 100;

If a variable is used as a report level variable, it must be declared using the 'var' keyword.

// put this in onLoad handler

var pageTotal = 0;

After the variable is declared, it can be used everywhere as a shared report instance variable.

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