Program 3
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.red{
color: red;
}
.green{
color: green;
}
</style>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script>
</head>
<body>
<label>Input Day Number:</label>
<input id="daynumber" placeholder="Please input day number">
<button id="submit">Get Day Name</button>
<br/>
<h1 id="result" class="" ></h1>
<button onclick="red();">red</button>
<button onclick="green();">green</button>
<script>
function red(){
let result=document.getElementById('result');
result.classList.remove('green');
result.classList.add("red");
}
function green(){
let result=document.getElementById('result');
result.classList.remove('red');
result.classList.add("green");
}
$('#submit').on('click',function(){
let daynumber=$('#daynumber').val();
let result;
switch(parseInt(daynumber)){
case 1:
result="Sunday";
break;
case 2:
result="Monday";
break;
case 3:
result="Tuesday";
break;
case 4:
result="Wenesday";
break;
case 5:
result="Thursday";
break;
case 6:
result="Friday";
break;
case 7:
result="Saturday";
break;
default:
result="Invalid day number";
}
$('#result').html(result);
});
// document.getElementById('submit').addEventListener('click',function(){
// let daynumber=document.getElementById('daynumber');
// let result=document.getElementById('result');
// switch(parseInt(daynumber.value)){
// case 1:
// document.getElementById('result').innerText="Sunday";
// break;
// case 2:
// result.innerText="Monday";
// break;
// case 3:
// result.innerText="Tuesday";
// break;
// case 4:
// result.innerText="Wenesday";
// break;
// case 5:
// result.innerText="Thursday";
// break;
// case 6:
// result.innerText="Friday";
// break;
// case 7:
// result.innerText="Saturday";
// break;
// default:
// result.innerText="Invalid day number";
// }
// });
</script>
</body>
</html>
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