java script
<!DOCTYPE html>
<!-- saved from url=(0048)http://www.jeffeppinger.com/JavaScript-Examples/ -->
<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>JavaScript ToDoList Example</title>
<link rel="stylesheet" href="./JavaScript ToDoList Example_files/better-example.css">
<script>
function onLoad() {
var ans = prompt("Is the lecture over yet?");
var face = '\u262E'; // Peace
if (ans == "No" || ans == "no") {
face = "\u2639"; // Frowning Face
} else if (ans == "Yes" || ans == "yes") {
face = "\u263A"; // Smiling Face
}
document.getElementById('face-place')
.appendChild(document.createTextNode(face));
}
function addNames() {
var first = document.getElementById("first-name").value;
var last = document.getElementById("last-name").value;
alert(first + last);
alert(parseInt(first) + parseInt(last));
}
</script>
<style id="style-1-cropbar-clipper">/* Copyright 2014 Evernote Corporation. All rights reserved. */
.en-markup-crop-options {
top: 18px !important;
left: 50% !important;
margin-left: -100px !important;
width: 200px !important;
border: 2px rgba(255,255,255,.38) solid !important;
border-radius: 4px !important;
}
.en-markup-crop-options div div:first-of-type {
margin-left: 0px !important;
}
</style></head><body onload="onLoad()">< <script src="./JavaScript ToDoList Example_files/isprime.js"></script>
<div class="title">
☆ JavaScript Demos <span style="" id="face-place">☹</span>
</div>
<div>
<ul>
<li><a href="http://www.jeffeppinger.com/JavaScript-Examples/primes.html">primes.html</a></li>
<li><a href="http://www.jeffeppinger.com/JavaScript-Examples/movement.html">movement.html</a></li>
<li><a href="http://www.jeffeppinger.com/JavaScript-Examples/todolist.html">todolist.html</a></li>
</ul>
</div>
<div>
<table>
<tbody><tr>
<td>
<label>First Name:</label>
</td>
<td>
<input id="first-name" type="text" name="first" autofocus="">
</td>
</tr>
<tr>
<td>
<label>Last Name:</label>
</td>
<td>
<input id="last-name" type="text">
</td>
</tr>
<tr>
<td></td>
<td>
<button onclick="addNames()">Add</button>
</td>
</tr>
</tbody></table>
</div>
<div>
<label>Check Prime:</label>
<input id="number" type="text" onfocus="isPrimeFocus()">
<button id="is-prime-button" onclick="isPrimeClick()">Is Prime?</button>
</div>
</body></html>