The following table is a set of statements and functions for the script.

for ([initialExpression]; [conditionExpression]; [incrementExpression]) {
    // instruction code
}

Example for if…else:

In this example, if tag A equals 1, assign 100 to A. Otherwise, assign 500 to A.

if (tag.read("A") == 1) {
    tag.write("A", 100.0);
} else {
    tag.write("A", 500);
}

Example forwhile:

The tag "A_WHILE" value will consistently be read and written to the variable val in this example. If the value in the variable val is less than 500, keep incrementing by 1 and store the incremented value to the tag "A_WHILE" in each loop. Once the variable val equals 500, end the loop and exit the script.

var val = tag.read("A_WHILE");
while (val < 500) {
	val = val + 1;
	tag.write("A_WHILE", val)
	thread.msleep(10)
}

Example for do...while:

The tag "DO_VAL" value will consistently be read and written to the variable do_val in this example. The do loop will increment by 1 and store the value into the tag “DO_VAL” before executing the while loop. Once the variable do_val equals 200, the while loop will terminate, but the do statement will stay executable allowing a user to increment by 1 manually.

var do_val = tag.read("DO_VAL");
do {
    do_val = do_val + 1;
    tag.write("DO_VAL", do_val)
    thread.msleep(100)
} while (do_val < 200);

Example for for

In this example, the initial expression is 0. When i is less than or equal to 100, i will increment by 1 and store the result in A every execution until i equals 100. Once i equals 100, the for loop will end.

var i = tag.read("FOR_VAL");
for (i = 0; i <= 100; i = i + 1) {
	tag.write("FOR_VAL", i)
	thread.msleep(100)
}

Example for switch…case…break

The tag "PET" value will consistently be read and written to the variable pet in this example. The switch will start matching the values between the variable pet and the tag "PET." If the case matches, the expression in the case will execute accordingly. When finished, the break statement will terminate the switch or loop altogether.

var pet = tag.read("PET")
switch (pet) {
    case "cat":
        tag.write("CASE_STR", "I love cats too!");
        break;
    case "dog":
        tag.write("CASE_STR", "I love dogs too!");
        break;
}

Example forreturn

In this example, the function keyword calls the values in myFunction to perform multiplication and store the results to the tag "RETURN_ONE." The return statement then outputs the value in the tag "RETURN_ONE."

var x = myFunction(4, 3);
function myFunction(a, b) {
	a = a * b;
	tag.write("RETURN_ONE", a);
	return tag.read("RETURN_ONE");
}

Example for default

In this example, when the script executes, the tag "REPLY" will be assigned the string value "Hello, my name is CIMON. What is your name?" by default. If the user enters their name, the "NAME" string tag will store their name. If the name entered is "Christian," the "Hi Christian!" will update the "REPLY" string tag.

var name = tag.read("NAME")
switch (name) {
    case "Christian":
        tag.write("REPLY", "Hi Christian!")
        break;
    default:
        tag.write("REPLY", "Hello, my name is CIMON. What is your name?");
}

Example forcontinue

The tag "TIMER" value will consistently be read and written to the variable timer in this example. When the value in the variable timer is less than 5000 and 10,000, the value in the variable timer will be incremented by 101 each loop until it reaches 5000. When the value in the variable timer reached 5000, the value in the variable timer will be incremented by 1 instead. Once the value in the variable timer reaches 10,000, the while loop will be terminated.

var timer = tag.read("TIMER");
while (timer < 10000) {
    timer = timer + 1;
    tag.write("TIMER", timer);
    thread.msleep(100)
    if (timer < 5000) {
        timer = timer + 100;
        tag.write("TIMER", timer);
        continue;
        thread.msleep(100)
    }
}

Example forsystem.runScript()

In this example, the system.runScript function will call and executes the script name “WHILE_Script.”

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