Logical Operators
The logical operators for AND (&&) and OR (||) are used to combine simple relational statements into more complex expressions. The NOT (!) operator is used to negate a boolean statement.
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let test = false;
function setup() {
createCanvas(720, 360);
background(126);
for (let i = 5; i <= height; i += 5) {
// Logical AND
stroke(0);
if (i > 35 && i < 100) {
line(width / 4, i, width / 2, i);
test = false;
}
// Logical OR
stroke(76);
if (i <= 35 || i >= 100) {
line(width / 2, i, width, i);
test = true;
}
// Testing if a boolean value is "true"
// The expression "if(test)" is equivalent to "if(test == true)"
if (test) {
stroke(0);
point(width / 3, i);
}
// Testing if a boolean value is "false"
// The expression "if(!test)" is equivalent to "if(test == false)"
if (!test) {
stroke(255);
point(width / 4, i);
}
}
}
