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Toggle layer’s Opacity On/Off using a Checkbox
So Im trying to turn a layer on and off using this well known expression, in After Effects 2019 and for the hell of it I dont know why it isnt working. It works fine in After Effects 2015 and 2018. So im thinking 2019 has a problem or something. Here is a screenshot below. Any help if appreciated.
I have also tried using the expresson below also with no luck:
thisComp.layer("Adjustment Layer 1").effect("Checkbox Control")("Checkbox") ==1)100 else 0; -
3 Replies
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The new JavaScript expression engine is more strict about the syntax for single-line if/else statements. This should work:
thisComp.layer(“Adjustment Layer 1”).effect(“Checkbox Control”)(“Checkbox”) == 0){0}else{100};
Dan
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could do it like a ternary operator as well:
thisComp.layer("Adjustment Layer 1").effect("Checkbox Control")("Checkbox") == 1 ? 100 : 0;Alex Printz
Mograph Designer -
Very thankful for the responses Dan and Alex. Both work flawlessly.
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