JSFiddle - React, Tailwind, and code Playground
by kevinj
HTML
<p>Can enter multiple emails as a comma separted list</p>
<form id="form1" METHOD="GET">
<input id="emails" type="email" required multiple style="width:300px"/> <br/>
<input type="text" required style="width:300px"/> <br/>
<input id="go" type="submit" value="email" />
</form>
CSS
input: invalid {
border-color: red;
}
JavaScript
$("#go").click(function(){
console.log($("#form1")[0].checkValidity());
});