Intermediate Express.js: How To Add Styles & Partials in EJS File?

So far, we only have simple HTML tags and ejs tags in each ejs file. Every template page has no style at all. And the basic HTML header and footer are also missing.

Today, I learned how to add styles and partials in ejs file.

Link Style

Step One: Touch a Separate CSS file

I create a new directory "Style" under the "EJSDemo" directory, then I add a new CSS file "app.css" inside "Style" folder.

Step Two: Add app.use(express.static()) in the app.js

I add app.use(express.static("style")) in the "app.js". This will tell Express.js to serve the content of "Style" directory.

Step Three: Write styles in CSS file

I simple give body an orange background color and set text color to be grey.

Step Four: Link to CSS file in the EJS file

I just add <link> tag to link the "app.css" file on the top of the h1 tag in each ejs template.

As the result, when I run the app and send "/posts" request, I receive a styled page.

Add Partials: Header and Footer

Partials are files or templates that we can write, then we can include in other templates.

Step One: Create new files

I create a new directory "Partials" and add two ejs files "header" and "footer" inside it.

Step Two: Write header

In the header file, I add the basic HTML <head>, <title>, <body> and <link> to the "app.css" file. Those tags are on the top of every HTML page.

Step Three: Write Footer

The footer is simple. It just includes the closing tag for body and html. I also add a simple paragraph on the top of closing tags.

Step Four: Add partials in each ejs template

Since "header" and "footer" files are created, I don't have to copy and paste each header and footer code in every template again and again.

I just need to write simple ejs tags to include the "header" and "footer" in the ejs template. That will make the code clean.

As the result, I send the "/wantto/workout" page, it shows title "Demo App", adds styles, and displays the footer message.

Intermediate Express.Js: Write Conditions and Loops In The EJS (study note)

We continue to use the app.js which we have build to be the study example. In the last post, we only add a simple EJS tag <%= thingVar %> inside h1 tag. This will match the "thing" to any "thing" request from the user. If Statement Today, the course shows us to write a simple if statement in the EJS file. I learn to apply it to my own app. In the if statement, if users send"/wantto/workout" request, the page will show a new content "Good Idea!". We wrote the if statement in the "diet.ejs" file, and we add "<% %>" tags around the code. We have to wrap every line of JavaScript anytime JavaScript starts and ends. Moreover, you may see there are two types of ejs tags here: <%= %> The one with equal sign. According to the course, when we add equal sign, the value that is returned inside of the tag will be rendered to the HTML page. it will be added to the HTML. For example, if we write ...

Express.js Study Note: Route Order Is Matters!

Last post, I have learned to develop my first Express App from the course. Basically, it has three routes. When we type "/", "/bye" and "/cat", the app will receive the request and send the matched response to us. But, if we want to send a nice message when users type other texts after slash, what should we do? We can write a "*" route which will run whenever out app gets any request to any url aside from those three routes that we have already defined. app.get("*", function) In the App.js file, we add a new star route, and it will send you a new message whenever you type any undefined request. I run my app, and put some random texts after slash, and hit enter. All I get is "You are a star!". If we move the star route to the top of those three routes, what will happen? The instructor run the app, the result is even though we send the "/", "/bye" or "/cat" request, all we get...

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