Enable modals by adding "allow-modals" to sandbox attribute. #12414
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Summary
This PR adds the
allow-modalsto thesandboxattribute, enabling the playground environment to open modals.Fixes #12023
Problem
Playground examples can't run functions like
window.alert,window.promptand much more because theiframerequires theallow-modalsin the sandbox attribute. Not enablingallow-modalsdoesn't allow any playground which uses modals to be opened, for example this.Solution
This PR adds the
allow-modalsvalue to the sandbox attribute and resolves the issue.Screenshots
Before
After