how to write a javascript string over multiple lines

i remember learning this on freecodecamp while doing the ES6 training, and i could not remember exactly how to do it.  I was using the \ at the end of each line but thats really a bit annoying.&..

content editable p tag with spell check enabled

im not sure how this is useful, but you can set a p element to content editable so you can change its contents and then also set the spellcheck to true so the browser knows that it should run its spel..

Create Strings using Template Literals

if you use the backtick to enclose your strings you no longer have to use \n for a new line.  For example: `this is a multiline ...string!!` Console Example

Darkmode JS - Add darkmode to your site with one script

This library looks really nice! It drops in ok, but maybe with more complex layouts or coloring, it seems to break a little bit.  Darkmode JS Example Source Links https://darkmodejs.learn.un..

Use destructuring assignment within the argument to the function half to send only max and min inside the function.

this seems like a tricky one, can be resolved with removing the stats array reference. Im not sure how it still knows to access the stats array. I dont know how that is correct as the console just lo..

Using Destructuring and the Rest Parameter to Reassign Array Elements

Use destructuring assignment with the rest parameter to perform an effective Array.prototype.slice() so that arr is a sub-array of the original array source with the firs..

Use destructuring assignment to swap the values of a and b

Use destructuring assignment to swap the values of a and b so that a receives the value stored in b, and b receives the value stored in a. I was havi..

How to Assign the Value of One Variable to Another in Javascript

Showing a very basic script that assigns the value of the variable a to b and then console log's the object.

Using props with Stateless Functional Components in React

Here is an example of a Stateless Functional Component but i cant get the PropTypes working correctly in my demo, not sure what im doing wrong here, but the code seems to work in the compiler just not..

How to Access Props Using this.props in React

If you would like to access a class component prop within its self you can do this using the this keyword.

How to Override Default Props in React

The following code explains how you can override the default props in react.  In this example the default of quantity is set to 0, so we can pass in quantity in the items to override its default..

How to Pass Props to a Stateless Functional Component in React

Props are like properties that you can pass into a component in react. A prop would be something like this in your component.  JSX <div>  <MyProp id="1234" /></div> The..

How to Write a React Component from Scratch

Just testing my react component writing skills...

How to Compose React Components in React

In this code we nest the components NonCitrus and Citrus into the Fruits Component. Then nest the Fruits within the TypesOfFood component.  Also added the additional components, Vegetables, Non..

How to Use React to Render Nested Components

It can be useful to take components and render them inside other components while still making them into seperate items. This shows how you can take each component and nest it within another one and ..

How to Create a React Component using the ES6 class method

One way to add a react component is to use the Stateless Functional Component method, and another way is to use the ES6 extends syntax. This method seems more complex than the 1st for some reason mayb..

What is a Stateless Functional Component in React

What is a Stateless Functional Component? A stateless component is one that can recive data and render it, but it does not manage the provided data or track changes to it.  This method creates ..

How do Self-Closing JSX Tags Work?

So in JSX all the tags must be closed, other wise it can break the element. for example: <div> must have a closing </div> and also for elements like <br> and <hr> must include..

How to Render HTML Elements to the DOM with React

Once you have a JSX element defined you can write it to the page with ReactDOM.render(componentToRender, targetNode),  In this example we are targeting the div with the id challenge-node. JSX ..

How to Add Comments in JSX

To put comments inside JSX, you use the syntax {/* */} to wrap around the comment text. You do actually need the curley brackets, and have to add it under the other elements for this to wor..

Create a Complex JSX Element

JSX must return a single element, so you must wrap your items in a div element you cant just return a bunch of p tags.  Define a new constant JSX that renders a div which con..

Create a Simple JSX Element

The current code uses JSX to assign a div element to the constant JSX. Replace the div with an h1 element and add the text Hello JSX! inside it.

adding react with JSX using babel

just wanted to see how JSX would work with react and babel, so this way you can write JSX and babel compiles it for use with react.  This is apparently not a good way to do things and can be qui..

animated duck on footer

Thought this was cool. How do i do it? Page Source: https://www.learninpublic.org/  Copy this section Lets see what is attached to it. So i can see from the classes its a tailwind based ..

hero widget header - creates a nice looking hero item from a target uid and class

this creates a "nice" looking hero widget, just wanted to create something that looked decent and had an attached background image, surprizingly annoying to link items together. For some reason i kee..

ES6 Nested Object Example

extracting variables from a nested object with new variable names

ES5 vs ES6 Object Example

here you can see the syntax changes between ES5 vs ES6 Object declaration, you can still access the values in the same way.

Use Recursion to Return a Range Array

using recursion to return a range array between the two numbers added

Use Recursion to Count Up

js using recursion to create a range of numbers

in this we will create a function that calls its self to add to an array a range of numbers

Using the Spread Operator to Evaluate Arrays In-Place Tests

My tests using the Spread Operator rather than the apply function. In the 1st function show_max_array i use the apply operator to convert the array into comma seperated values. In the show_max_array..

Using the rest operator to pass in a variable amount of arguments

If you don't know how many parameters you will need in your function you can use the rest operator to pass them in. ...

Complex Arrow Function Example

Here is an example using a Complex or Higher Order arrow function, which slightly reduces the amount of code lines used. This should return the square root of all positive integers passed into it.

Writing Arrow Functions with Parameters

you can pass parameters to arrow functions as well as shown in the following demo, these functions are only meant to be used once where normal functions can be re-used.

Prevent Object Mutation

This shows how you can lock an object so its content cannot be modified. if you comment out the line Object.freeze(my_object); it will allow it to be modified again.

using let and const example

This example uses let and const rather than just vars, let can only be declaired once rather than overwritten like vars and const is a read only variable so it cant be changed. 

Use Multiple Conditional (Ternary) Operators

I actually find if then statements much easier to read than these ones, but these seem more efficient. 

js - Use the Conditional (Ternary) Operator

this statement can be used instead of if this else that statements. to me it makes it look a bit more complex when reading it. this is the basic syntax. condition ? statement-if-true : statement-if-fa..

Use the parseInt Function with a Radix

This is the same as the parseint function, but you can also specify a base for the number which can be between 2 - 36. 2 is binary. Zeros and Ones. I think base 10 is the normal numbering system, but ..

Using parseInt in a function to return an integer or not

this function uses the parseInt function to return a proper integer or an error code if it can't. So this demo should return NaN for the Not an Int (x1235) and The int for the 00001235. I think that N..

Generate Random Whole Numbers within a Range

My testing for generating a random whole number within a range... 🤞 While the solution here works, it just loops until it gets a random number that is lower than the max, so not sure if this is th..

Custom 12 Grid using CSS Grid

For a while i have been using frameworks for their easy grid systems, like foundation and bootstrap. I guess this is a bit lazy and very bloated as you are loading the full css library and using about..