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Set SVG Path Length dynamically based on Text length

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Hi everyone, 


I would like to create this curved button underline hover effect. Is there a way to set the length of the SVG Path based on the text length in the <span> element? It should look like in the screenshot down below.

Screenshot 2021-07-12 at 11.22.05.png

See the Pen dyWpxgx by codekyt (@codekyt) on CodePen

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Hey Nattha

Sure! There's a few ways you could approach this.

1 - easy - Use PreserveAspectRatio to 'crop' the left tail of the svg depending on the length of the word. (Apologies for the scruffy path, but you get the idea)


See the Pen JjNbbqX by GreenSock (@GreenSock) on CodePen

2- actually dynamically change the viewBox and path values. Harder - It'll help if you have a absolute path and then you can change the point on the tail end without affecting the rest of the points.

This GUI is really helpful for that - https://lea.verou.me/2019/05/utility-convert-svg-path-to-all-relative-or-all-absolute-commands/

It's a bit beyond the scope of these forums to help with this logic as we try to focus on GSAP related questions - But obviously anyone's welcome to jump in.

I also have an SVG slack channel where people would be certainly be happy to help!


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... another option: hand-coded path.

Easy to customize when there are just a few buttons.


See the Pen jOmVyqR by mikeK (@mikeK) on CodePen


Happy tweening ...




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