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The sum function () method will get calculate the numeric sum of an array . values. Array values that are not numeric are treated as if they were zeros.

Return Value

Value returns a sum of parent array.

Error Handling

If you try and sum an array which is not numeric values, the function will crashSum as a numeric value.

Example

pjs.define("Num", { type: 'integer', length: 10, dim: 5 });
 
Num[1] = 1;
Num[2] = 2;
Num[3] = 3;
Num[4] = 4;
Num[5] = 5;
 
return Num.sum();
//15