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Please provide an [Online Example](https://live.bootstrap-table.com) to show your problem. Thanks!

Since I have not used Svelte and am not familiar with the framework, I do not know how the Table component is implemented based on the information you provided, so...

1. You can use the `rowStyle` option or `cellStyle` column option. https://examples.bootstrap-table.com/#options/row-style.htm https://examples.bootstrap-table.com/index.html#column-options/cell-style.html 2. Didn't find the problem you said: https://examples.bootstrap-table.com/index.html#column-options/visible.html 3. You can use the `sorter` column: https://examples.bootstrap-table.com/index.html#column-options/sorter.html 4....

> Is 4 possible without Javascript? Yes: https://live.bootstrap-table.com/code/wenzhixin/17458

Please provide an [Online Example](https://live.bootstrap-table.com) to show your problem. Thanks!

  I am using Chrome for the test.

Online example: https://live.bootstrap-table.com/code/wenzhixin/17502

Yes, I saved your code to the online editor.

Any pull request is welcome.

Please provide an [Online Example](https://live.bootstrap-table.com) to show your problem. Thanks!