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Showing posts from October, 2017

phone no validation

- October 17, 2017

< form > Phone Number (format: xxx-xxx-xxxx): < input type = "tel" pattern = "^\d {3} -\d {3} -\d {4} $" required > < input type = "submit" value = "Submit" > </ form > < form > Phone Number (format: xxxxxxxxxx): < input type = "tel" pattern = "^\d {10} $" required > < input type = "submit" value = "Submit" > </ form >

Javascript onkeyup

- October 03, 2017

<html> <head> <script> function add() { var a = parseInt(document.getElementById("t1").value); var b = parseInt(document.getElementById("t2").value); var result = a + b; document.getElementById("s1").innerHTML = result; } </script> <title>Addition Using Aja...

Display records from database using pie chart

- October 02, 2017

<?php $con=mysqli_connect('localhost','root','root','pie_chart') or die(mysqli_connect_error()); $query=mysqli_query($con,"select * from visitors") or die(mysqli_error($con)); ?> <html> <head> <script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script> <script type="text/javascript"> google.charts.load('current', {'packages':['corechart']}); google.charts.setOnLoadCallback(drawChart); function drawChart() { var data = google.visualization.arrayToDataTable([ ['country', 'Visits'], <?php while ($row=mysqli_fetch_assoc($query)) { ...