JSFiddle - React, Tailwind, and code Playground
HTML
<input type="text" name="test" />
JavaScript
$('input').on('input', function (e) {
this.value = this.value.replace(/\D/g,'');
});
<input type="text" name="test" />
$('input').on('input', function (e) {
this.value = this.value.replace(/\D/g,'');
});