The most viewed posts

ZilaStar ICT Jun 28 2022, 17:57:41

Proper Random Function (JS Random)

<!DOCTYPE html>
<html>
<head>
<title>JavaScript Code Testing</title>
</head>
<body>
<p id = "demo">Click Random for random numbers.</p>
<button type = "button" onclick = "myRand()">Random</button>
<script>

function myRand(){
var rand = jsRand(100000, 900000);
document.getElementById("demo").innerHTML = rand;
}

function jsRand(min, max){
return Math.floor(Math.random() * (max - min + 1)) + min;
}
</script>
</body>
</html>

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ZilaStar ICT Jun 27 2022, 09:48:13

Math.sqrt() (JS Math)

<!DOCTYPE html>
<html>
<head>
<title>JavaScript Code Testing</title>
</head>
<body>
<p id = "demo">This is JavaScript Math.sqrt Testing</p>
<button type = "button" onclick = "jsSqrt()">Math Sqrt</button>

<script>
var a = 81;
document.getElementById("demo").innerHTML = a;

function jsSqrt(){
var b = Math.sqrt(a);
document.getElementById("demo").innerHTML = b;
}
</script>
</body>
</html>

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ZilaStar ICT Jun 26 2022, 09:47:21

Math.round() (JS Math)

<!DOCTYPE html>
<html>
<head>
<title>JavaScript Code Testing</title>
</head>
<body>
<p id = "demo">This is JavaScript Math.round Testing</p>
<button type = "button" onclick = "jsRound()">Math Round</button>

<script>
var a = 4.576;
var b = 4.345;
document.getElementById("demo").innerHTML = a + " and " + b;

function jsRound(){
document.getElementById("demo").innerHTML = Math.round(a) + " and " + Math.round(b);
}
</script>

</body>
</html>

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ZilaStar ICT Jun 25 2022, 09:46:32

Math.random() (JS Math)

<!DOCTYPE html>
<html>
<head>
<title>JavaScript Code Testing</title>
</head>
<body>
<p id = "demo">This is JavaScript Math.random Testing</p>
<button type = "button" onclick = "jsRandom()">Math Random</button>
<script>
function jsRandom(){
var a = Math.random();
document.getElementById("demo").innerHTML = a;
}
</script>
</body>
</html>

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ZilaStar ICT Jun 24 2022, 09:45:52

Math.pow() (JS Math)

<!DOCTYPE html>
<html>
<head>
<title>JavaScript Code Testing</title>
</head>
<body>
<p id = "demo">This is JavaScript Math.pow Testing</p>
<button type = "button" onclick = "jsPower()">Math Power</button>

<script>
var a = 9;
var b = 5;
document.getElementById("demo").innerHTML = a + " and " + b;

function jsPower(){
var c = Math.pow(a, b);
document.getElementById("demo").innerHTML = c;
}

</script>
</body>
</html>

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ZilaStar ICT Jun 23 2022, 09:44:51

Math.PI (JS Math)

<!DOCTYPE html>
<html>
<head>
<title>JavaScript Code Testing</title>
</head>
<body>
<p id = "demo1">This is JavaScript Math.PI Testing</p>
<button type = "button" onclick = "jsPI()">Math PI</button>
<script>
function jsPI(){
var pi = Math.PI;
document.getElementById("demo1").innerHTML = pi;
}
</script>
</body>
</html>

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ZilaStar ICT Jun 22 2022, 09:40:14

JS While Loop

<!DOCTYPE html>
<html>
<head>
<title>JavaScript Code Testing</title>
</head>
<body>
<p id = "demo"></p>
<script>
var names = ["Maung Maung", "Aung Aung", "Mya Mya", "Hla Hla"];
var txt, i = 0;
txt = "<ol>";
while(i < names.length){
txt += "<li>" + names[i] + "</li>";
i++;
}
txt += "</ol>";
document.getElementById("demo").innerHTML = txt;
</script>
</body>
</html>

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ZilaStar ICT Jun 21 2022, 09:39:35

forof (JS For Loop)

<!DOCTYPE html>
<html>
<head>
<title>JavaScript Code Testing</title>
</head>
<body>
<p id = "demo"></p>
<script>
var names = ["Maung Maung", "Aung Aung", "Mya Mya", "Hla Hla"];
var txt;

for(txt of names){
document.write("<li>" + txt + "</li>");
}
</script>
</body>
</html>

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ZilaStar ICT Jun 20 2022, 09:39:01

for (JS For Loop)

<!DOCTYPE html>
<html>
<head>
<title>JavaScript Code Testing</title>
</head>
<body>
<p id = "demo"></p>
<script>
var names = ["Maung Maung", "Aung Aung", "Mya Mya", "Hla Hla"];
var i, txt;

txt = "<ol>";
for(i=0; i<names.length; i++){
txt += "<li>" + names[i] + "</li>";
}
txt += "</ol>";

document.getElementById("demo").innerHTML = txt;

</script>
</body>
</html>

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ZilaStar ICT Jun 19 2022, 09:37:54

forin (JS For Loop)

<!DOCTYPE html>
<html>
<head>
<title>JavaScript Code Testing</title>
</head>
<body>
<p id = "demo"></p>
<script>
var names = ["Maung Maung", "Aung Aung", "Mya Mya", "Hla Hla"];
var i, txt;

txt = "<ol>";
for(i in names){
txt += "<li>" + names[i] + "</li>";
}
txt += "</ol>";

document.getElementById("demo").innerHTML = txt;

</script>
</body>
</html>

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ZilaStar ICT Jun 18 2022, 09:36:53

JS Form Validation

<!DOCTYPE html>
<html>
<head>
<title>JavaScript Code Testing</title>
</head>
<body>
<script>
function formValidate(){
var x = document.forms["myForm"]["fname"].value;
if(x == ""){
alert("Must fill out in the form");
return false;
}
}
</script>
</body>
<form action = "formvalidate1.html" method = "POST" onsubmit = "return formValidate()" name = "myForm">
<input type = "text" name = "fname">
<input type = "submit" value = "Submit">
</form>
</html>

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ZilaStar ICT Jun 17 2022, 09:35:47

Throw Statement (JS Errors)

<!DOCTYPE html>
<html>
<head>
<title>JavaScript Code Testing</title>
</head>
<body>
<input id = "demo" type = "text">
<button type = "button" onclick = "jsFun()">Check Input</button>
<p id = "page"></p>
<script>
function jsFun(){
var sms, x;
sms = document.getElementById("page");
sms.innerHTML = "";
x = document.getElementById("demo").value;
try{
if(x == "") throw "empty.";
if(isNaN(x)) throw "not a number.";
x = Number(x);
if(x < 5) throw "too small.";
if(x > 10) throw "too big.";
if(x > 4 && x < 11) throw "OK.";
}
catch (err){
sms.innerHTML = "The input is " + err;
}
}
</script>
</body>
</html>

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