JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <input value=1>
    <input value=1>
    <input value=1>
</div>
<br>
result: <span></span>

JavaScript

var l = 0;
$("div :input").each(function(){
  l += this.value.length;
});
$('span').html('not change pic');
if (l >= 3) {
    $('span').html('change pic');
}