Multichannel-systems Roboocyte2 JavaScript Manual Manual do Utilizador descarregar pdf (Página 3)

The other operators are shortcuts for:

x += 2; is equal to x = x + 2;

x -= 2; is equal to x = x – 2;

x *= 2; is equal to x = x * 2;

x /= 2; is equal to x = x / 2;

Conditions and comparison operators

Comparison operators are normally used with conditional statements. By using these (with keywords

if and else) you can execute different parts of the script depending on certain conditions. A condition

statement is started with the keyword if, followed by a condition expression within parenthesis and

statements within a block (within {}). It can optionally be followed by an else statement.

if (condition)

{

statements1

}

if (condition)

{

statements1

}

else

{

statements2

}

Conditional statements can also be nested:

if (condition1)

{

if (condition2)

{

statements

}

The condition is usually a comparison expression. Comparison operators are

Operator Description Example

equal

x == 2

not equal

x != 2

greater

x > 2

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