Welcome to a quick tutorial on how to get, set, and remove the href property in Javascript. By now, you should know href very well. That “thing” we use to specify which webpage to link to. But how can we dynamically change or remove it using Javascript? For a quick answer: To get the href …
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Welcome to a quick tutorial on how to display messages in Javascript. Just started with Javascript and wondering how to display a message? The common ways to show messages in HTML and Javascript are: Alert, prompt, confirm. Output the message to the developer’s console. Dialog box (popup box). Message bar. Inline messages. Toast notification. Just …
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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 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 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 get the HTML form data in Javascript. So you have an HTML form but want to do the processing in Javascript instead? To get the HTML form data in Javascript: Create a new form data object – var data = new FormData(); Assign an ID to the …
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Welcome to a quick tutorial on how to show error messages in HTML forms. This is probably one of the major bugbears for some beginners, how do we handle and show error messages for HTML forms? There are no fixed ways to show errors in HTML forms, but the common methods to display error messages …
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Welcome to a tutorial on how to create a GPA calculator using Javascript. Yep, this is kind of weird as a tutorial. Did some twisted lecturer ask to create a GPA calculator as an assignment? Or maybe you are just curious about how to create one? Either way, let us walk through a simple Javascript …
Simple GPA Calculator In Javascript – Free Source Code Read More »
