9 lines
214 B
HTML
9 lines
214 B
HTML
<style>:invalid { color: red; }</style>
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<form id="theForm"></form>
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<button id="button" form="theForm">
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<script>
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window.onload = function() {
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button.setCustomValidity("foo");
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document.body.remove();
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}
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</script>
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