#125;\n        if(input.id == \&quot;signup_email\&quot;) &#123;\n          input.placeholder = \&quot;you@example.com\&quot;;\n        &#125; else &#123;\n          input.placeholder = \&quot;\&quot;;\n        &#125;\n      &#125;\n    &#125;, 3000);\n  &#125;;\n  \n  function validate() &#123;\n    var isValid = true;\n    \n    for(var i = 0; i &lt; form.elements.length; ++i) &#123;\n      var input = form.elements[i],\n          allDivs = input.parentNode.getElementsByTagName(\&quot;div\&quot;);\n\n    