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Below code is to give a customized dialog box(html, css & JS), which displays when the button is clicked:

<!DOCTYPE html>

<html>

<head>

<style>

/* The Modal (background) */

.modal {

    display: none; /* Hidden by default */

    position: fixed; /* Stay in place */

    z-index: 1; /* Sit on top */

    padding-top: 100px; /* Location of the box */

    left: 0;

    top: 0;

    width: 100%; /* Full width */

    height: 100%; /* Full height */

    overflow: auto; /* Enable scroll if needed */

    background-color: rgb(0,0,0); /* Fallback color */

    background-color: rgba(0,0,0,0.4); /* Black w/ opacity */

}

/* Modal Content */

.modal-content {

    position: relative;

    background-color: #fefefe;

    margin: auto;

    padding: 0;

    border: 1px solid #888;

    width: 80%;

    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2),0 6px 20px 0 rgba(0,0,0,0.19);

    -webkit-animation-name: animatetop;

    -webkit-animation-duration: 0.4s;

    animation-name: animatetop;

    animation-duration: 0.4s

}

/* Add Animation */

@-webkit-keyframes animatetop {

    from {top:-300px; opacity:0} 

    to {top:0; opacity:1}

}

@keyframes animatetop {

    from {top:-300px; opacity:0}

    to {top:0; opacity:1}

}

/* The Close Button */

.close {

    color: white;

    float: right;

    font-size: 28px;

    font-weight: bold;

}

.close:hover,

.close:focus {

    color: #000;

    text-decoration: none;

    cursor: pointer;

}

.modal-header {

    padding: 2px 16px;

    background-color: #5cb85c;

    color: white;

}

.modal-body {padding: 2px 16px;}

.modal-footer {

    padding: 2px 16px;

    background-color: #5cb85c;

    color: white;

}

</style>

</head>

<body>

<h2>Animated Modal with Header and Footer</h2>

<!-- Trigger/Open The Modal -->

<button id="myBtn">Open Modal</button>

<!-- The Modal -->

<div id="myModal" class="modal">

  <!-- Modal content -->

  <div class="modal-content">

    <div class="modal-header">

      <span class="close">&times;</span>

      <h2>Modal Header</h2>

    </div>

    <div class="modal-body">

      <p>Some text in the Modal Body</p>

      <p>Some other text...</p>

    </div>

    <div class="modal-footer">

      <h3>Modal Footer</h3>

    </div>

  </div>

</div>

<script>

// Get the modal

var modal = document.getElementById('myModal');

// Get the button that opens the modal

var btn = document.getElementById("myBtn");

// Get the <span> element that closes the modal

var span = document.getElementsByClassName("close")[0];

// When the user clicks the button, open the modal 

btn.onclick = function() {

    modal.style.display = "block";

}

// When the user clicks on <span> (x), close the modal

span.onclick = function() {

    modal.style.display = "none";

}

// When the user clicks anywhere outside of the modal, close it

window.onclick = function(event) {

    if (event.target == modal) {

        modal.style.display = "none";

    }

}

</script>

</body>

</html>

The below HTML code is a JavaScript function and the form which displays the dialog box when a condition in a JS is executed when form is submitted:

<form id=orders name="orders" action="orders_action.php" method="post" enctype="multipart/form-data" onsubmit="return test()">

   function test(){

        var element = document.getElementById("time").value;

        var d = new Date();

        var m = d.getMinutes();

        var h = d.getHours();

       if(h == '0') {h = 24}

      var currentTime = h+"."+m;

      console.log(currentTime);

      // get input time

      var time = element.split(":");

      var hour = time[0];

      if(hour == '00') {hour = 24}

      var min = time[1];

      var inputTime = hour+"."+min;

      console.log(inputTime);

      var totalTime = currentTime - inputTime;

      console.log(totalTime);

      if ((Math.abs(totalTime)) > 2) {

         document.getElementById('time').style.background ='white';



 

      } 

      else {

         document.getElementById('time').style.background ='#e35152';

        alert("Wrong time");

      }

    }

I want the alert box in the JS function to display a “wrong time message” when the dialog box is created. Can anyone tell me how I code for this?

1 Answer

0 votes
by (19.7k points)

You can write the following Pure JS code, instead of the alert function:

modal.style.display = "block";

modal.querySelector('.modal-body').innerHTML="<p>Wrong time</p>";

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