SCCI'15 - Devology - Session 9 - a quick revision on designing and developing.

Changing HTML Elements using JS
<body>
<p id=“SCCI">Seek the peak</p>
</body>

<body>
<p id=“SCCI">Seek the peak</p>
<script>
document.getElementById(“SCCI").innerHTML =
“Be your own hero";
</script>
</body>
Changing HTML Elements using JS

Pop up code
function div_show() {
document.getElementById(‘id').style.display = "block";
}
function div_hide(){
document.getElementById(‘id').style.display = "none";
}

Validation in JS
function check_empty() {
if (document.getElementById('name').value == "" ||
document.getElementById('email').value == "" ||
document.getElementById('msg').value == "") {
alert("Fill All Fields !");
} else {
document.getElementById('form').submit();
alert("Form Submitted Successfully...");
}
}

How to connect to a
DATABASE?
<?php
$conn = mysqli_connect("localhost", "root", "",
"devology");
if (!$conn) {
die("Connection failed: " . mysqli_connect_error());
}
?>

SELECT * FROM Table_name;
SELECT column1,2,3 FROM Table_name

<?php
$sql = "SELECT id, user_name, email
FROM teams";
$result = mysqli_query($conn, $sql);
?>

INSERT INTO Tabel_name(Column1,2,3)
VALUES(‘value1’,’2’,’3’);

<?php
$sql = "INSERT INTO teams(user_name,
password, email, phone_number)
VALUES (‘AssemSalem', 'Devology',
‘asemsalem@gmail.com‘, ‘01116877970')";
?>

UPDATE Tabel_name
SET column1=‘value1’, column2=‘value2’
WHERE column3=‘value3’;

<?php
$sql = "UPDATE teams SET
user_name=‘MahmoudBahaa'
WHERE password= 'Devology' ";
?>

DELETE FROM Tabel_name
WHERE some_column=‘some_column’;

<?php
$sql = "DELETE FROM teams
WHERE user_name= ‘AssemSalem' ";
?>

SCCI'15 - Devology - Session 9 - a quick revision on designing and developing.

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SCCI'15 - Devology - Session 9 - a quick revision on designing and developing.