JSFiddle - React, Tailwind, and code Playground

by synz izynz

HTML

<input><br>
<button disabled="disabled">submit</button>

JavaScript

var input = $("input");
    var target = $("button");
    
    input.on("change keyup",function(){
			if($(this).val() !== ''){
      	target.prop("disabled",false);
      }else{
      	target.prop("disabled",true);
      }
    })