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.direction

.direction : Number

[read-only] Reflects the moment-by-moment direction of scrolling where 1 is forward and -1 is backward.

Details​

[read-only] Reflects the moment-by-moment direction of scrolling where 1 is forward and -1 is backward.

Example​

ScrollTrigger.create({
  trigger: ".trigger",
  start: "top center",
  end: "+=500",
  onUpdate: (self) => console.log("direction:", self.direction),
});

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