Want to show some text or an image caption on mouse hover? Yes, we can do that without a single line of Javascript – Let us walk through a few simple examples in this guide. Read on! ⓘ I have included a zip file with all the source code at the start of this tutorial, …
Text Over Image On Hover With HTML CSS – Simple Examples Read More »
When it comes to defining “nothing” in Javascript, we have null, undefined, and empty. Just why do we need so many ways to define “nothing” in Javascript and what is the difference? null is used to explicitly define “nothing”. For example, var foo = null; undefined happens when we don’t assign a value to a …
NULL vs UNDEFINED vs EMPTY In Javascript – A Simple Guide Read More »
Welcome to a quick tutorial on how to create image links in HTML. Want to redirect the user when they click on an image? Create a redirect button using an image? The easy way to create an image link in HTML is to wrap the image in an anchor tag – <a href=”HTTP://SITE.COM”><img src=”IMAGE.JPG”/></a> That …
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Welcome to a tutorial and examples of using AJAX with PHP. Yes, the Stone Age of the Internet is long over. If you are still doing “static HTML” or “submit form reload entire page” – It is time to explore the power of AJAX to spice up your website. AJAX stands for “Asynchronous Javascript And …
Welcome to a quick tutorial on how to display error messages in Javascript. Just started with Javascript and wondering where the error messages went? Or looking for ways to better deal with error notifications? The common ways to show error messages in Javascript are: By default, error messages will show up in the developer’s console. …
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Welcome to a quick tutorial on how to create a grid in Javascript. Need to display some data in a nice grid? Gone are the good old days where we have to use crazy tables and CSS hacks. To create a grid in Javascript: Define an HTML grid container. <div id=”grid”></div> #grid { display: grid; grid-template-columns: …
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Welcome to a quick tutorial on how to read an Excel file and display it in HTML. Have a report or log file in the Excel file format? Want to display it on an HTML website? PHP cannot read Excel files natively. We need to use a library such as PHPSpreadSheet to read and output …
Welcome to a tutorial on how to support cross-domain sessions in PHP. Yes, it is technically possible to share a single session across multiple domains, but it is quite a challenging task. To support cross-domain sessions in PHP, we need to: Save the sessions into a shared common database. Set a single domain to facilitate …
Welcome to a quick tutorial on how to create and append HTML elements in Javascript. Need to add some content, or update a certain part of the page using Javascript? There are 2 common ways to create and insert HTML elements in Javascript. By directly changing the inner HTML of an element – document.getElementById(“ID”).innerHTML = …
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Welcome to a quick tutorial on how to list files and folders in PHP. Want to get the contents of a folder in PHP? The common ways to list files and folders in PHP are: Use scandir() to get an array of files and folders – $contents = scandir(“FOLDER”); Use glob() to selectively get files …
How To List Files & Folders In PHP – Quick Examples Read More »
