The keyup() method triggers the keyup event, or attaches a function to run when a keyup event occurs. You can use parseFloat and parseInt to get the values from the other inputs, toFixed to ensure the final value looks like currency (remove that if it’s not needed), and provide a fallback of 0 in case […]
To start the clock, call the drawClock function at intervals: <!DOCTYPE html> <html> <body> <canvas id=”canvas” width=”400″ height=”400″ style=”background-color:#333″> </canvas> <script> var canvas = document.getElementById(“canvas”); var ctx = canvas.getContext(“2d”); var radius = canvas.height / 2; ctx.translate(radius, radius); radius = radius * 0.90 setInterval(drawClock, 1000); function drawClock() { drawFace(ctx, radius); drawNumbers(ctx, radius); drawTime(ctx, radius); } function […]
In this article we have created drag and drop feature which is based on File DataTransfer object. DataTransfer object holds information about the user interaction, including what files (if any) the user dropped on the element to which the event is bound.
This script allows you to set a character words a user can enter into a textarea or text field generate notice this words not allowed eg. (Terms of Service reminder: Providing email, Skype, or phone number is only allowed if it is needed as part of the service.) You may also like How to specific character […]
Datepicker is very useful while you want to perform date and time related operation. it give very unique look to your html form. many developer face various kind of problems on integration datepicker to their website, and finally we write code for easy integration of bootstrap datepicker. Header of Page HTML Code
The onsubmit event is commonly used to validate the contents of form controls and set the contents of some input:hidden elements before submitting. If the user forgot to fill some required fields or made some other mistake on the form, you can cancel the submission with the onsubmit event. See the example below for details […]
I have been using some JavaScript techniques in the past to find the minimum number in an array. I recently stumbled upon a real fast and simple solution to find the min number in an array and thought of sharing it with all of you. Let me know what do you think of this method. […]
We have already explained about form validation using same technologies. Now, the same can be done by using Ajax, In this blog post we will tell you how it can be done. We have created an HTML form with four input fields and validation of each field is done by using combine logic of Ajax, PHP […]
In the tutorial, I will be using a working HTML contact form. We will submit it via AJAX (the page will not reload) and process the form values with PHP. Google has released the new reCAPTCHA. They need just a single click to confirm they are not a robot. So, reCAPTCHA will protect your website […]
Now, when you simply submit your form the normal way, your browser takes care of sending HTML input arrays inside array with ease and you can begin to segment your data on your server. This was an interesting complication that I ran into while making a form with dynamic related form fields. View Code JavaScript […]
