Javascript Result Of Function. A function in JavaScript is similar to a procedurea set of statements that performs a task or calculates a value but for a procedure to qualify as a function it should take some input and return an output where there is some obvious relationship between the input and the output. If you want to assign a new value to the function itself omit the parentheses the function call operator.
It doesnt look like youre storing the returned value in the echo variable. JavaScript outsider function call and return the result. Perhaps internally it has a promise it needs to wait for or a callback.
Function returns the product of a and b.
Function myFunction p1 p2. The following example demonstrates a situation in which this error is generated. A JavaScript function is executed when something invokes it calls it. Function myFunction a b.