I will focus in this article on important part of work when you, as front-end developer, want to make in your own project users authentication, add based on that, give them access to your back-end API in Node.js. But as you are front-end developer, you are not a specialist in security of back-end applications and…
VueJS – loading spinner component
Loaders or spinners are popular way to fill empty container while its content is loading asynchronously. We use it – typically – when some content is loading, by using ajax request or something is processing in the background. We can use loading spinner in VueJS as a separate component in very nice and clean manner…
Send data between SalesForce and JavaScript Vue/React/Angular app in Aura component
I described in this article HERE how to embed your own custom JavaScript app (in my case VueJS app) inside SalesForce page with Aura Component. I mean by “JavaScript” app, the application coded in VueJS, ReactJS, Angular or in pure JavaScript. I will continue here article mentioned earlier. Embedding you custom front-end gives really huge…
Insert JavaScript vuejs/react/angular apps into SalesForce page
I will show in this short tutorial how to insert JavaScript application (in React, Vue, Angular) into SalesForce page (by Aura component). Our JavaScript application can be done in whatever framework you want. It can be VueJS, ReactJS, Angular or even any kind of front-end application, also written in pure JavaScript code without frameworks. I…
Create modal window in vanilla JavaScript
Modal or popup windows are very useful elements of websites or webapps – you can display in it a notifications, additional or detailed information or it can be a “dialog window” in which user must take some decision, let’s say “Are you sure you want to delete the file?” So in general – there are…
PHP – simple REST API – step by step
If you need to build a very simple REST API with PHP you are in right place! I needed some time ago to build a very simple REST API in PHP. I had to use PHP – this was the only back-end technology in my project and at that moment, my skills were poor in…
Simple cookie banner – pure JavaScript + HTML
I will show in this article how to create a simple cookie banner (cookie or GDPR consent) notification only with pure HTML, CSS and JavaScript, without any kind of JavaScript library which would support us in that task. Why it is important to build on our own a simple cookie consent banner? The most important…
Front-end basics: #4 Tables columns the same or defined width + wrap long text
Tables are strange HTML elements. If we put CSS rule to whole table: width: 100%; then columns inside that will try to use space of whole table, sometimes it will fit the longest word in one column, sometimes it will just try to fit columns widths more or less proportional to the longest word in…
Front-end basics: #3 HTML5 – form validation
This is quite long topic and but shortly I will describe here how to use HTML5 forms validation. You must remember that it can’t replace the validation of the data done in the back-end. HTML5 form validation is only a pre-check of data entered by user into form. You can add following attributes to your…
Front-end basics: #2 HTML – semantic elements, classes, id
HTML semantic elements It is very important to use HTML elements in a proper way. If we want to list some text items, the we must create a normal list with <ul> or <ol> tags, not <p> or <div> tags with some additional CSS styles. So what semantic elements do we have in HTML. There…
Front-end basics: #1 HTML – document syntax, head content, open graph tags…
If you are a beginner in front-end world or you are back-end programmer, like C#, Java, Python or SAP-ABAP and from time to time you must do some coding in HTML, CSS or JavaScript, than you are in a right place! I will show in this short course the most important parts of Front-End world,…
JavaScript: creating callback functions
Many native methods in JavaScript uses callback functions. When you first see the callback function usage, liek in example below, when it is passed as another method’s argument, than it may look strange for you. You can think how the method can me an argument of a function? But this is quite simple, when we…