Created
April 15, 2019 16:19
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Check for support of :focus-within
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| let supportsCSSFocusWithin = false | |
| try { | |
| document.querySelector(':focus-within') | |
| } catch (err) { | |
| supportsCSSFocusWithin = false | |
| } | |
| const wrapper = document.querySelector('wrapper') | |
| wrapper.addEventListener('focusin', e => { | |
| if (!supportsCSSFocusWithin) { | |
| // handle it | |
| } | |
| }) |
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