Learn to Cook Up JavaScript Spells: So Easy Even Grandma Can Do It
Tags: webdev, javascript, beginners
Published: 2023-06-07 12:36:48

Crack your knuckles, aspiring coders! This is your jargon-free, absurdly easy guide to basic JavaScript that's so friendly, even your grandma could ace it (We love you, grandma!).

## 1. Summoning the Spirit of Fibonacci: Making an Array from a Range of Numbers
Here, let’s conjure an array from a set range of numbers because, why not? You know, just like making cookies but without the calories.
```javascript
let arrayFromRange = (min, max) => Array.from({length: max - min + 1}, (_, i) => min + i);
```
## 2. An Existential Dilemma: Odd or Even?
Next, a conundrum that has baffled philosophers for eons - is the number odd or even? Such profound questions, such riveting suspense.
```javascript
let isEven = num => num % 2 === 0;
```
## 3. Word Surgery: Extracting a Bit of a Text String
Time for a little surgery. Scapel...er, I mean, substring, please! Let’s extract that stubborn bit of text.
```javascript
let extractSubString = (str, start, end) => str.substring(start, end);
```
## 4. Identity Switch Operation: Replacing a Text String
Next, we perform the mystical art of identity change. Who knew text strings could be so flexible?
```javascript
let replaceString = (str, oldStr, newStr) => str.replace(oldStr, newStr);
```
## 5. The Beginning and End of the World: Checking if a Text String Starts or Ends with Certain Words
Does it start? Does it end? Just like reading an intriguing novel, but with less drama and more determinism.
```javascript
let startsOrEndsWith = (str, checkStr) => str.startsWith(checkStr) || str.endsWith(checkStr);
```
## 6. A Deep Clean: Removing All Empty Spaces from a Text String
Now let’s make that messy string squeaky clean. Sorry, spaces, you’ve overstayed your welcome!
```javascript
let removeSpaces = str => str.replace(/\s+/g, '');
```
## 7. Superhero Strength: Getting the Power of a Number
Get ready to flex your mathematical muscles. Time to find the power of a number.
```javascript
let powerOfNumber = (num, power) => Math.pow(num, power);
```
## 8. Crystal Ball: Checking if an Object has a Specific Property
Here we peer into the murky depths of an object, divining its properties. It’s less spooky than it sounds, promise!
```javascript
let hasProperty = (obj, prop) => obj.hasOwnProperty(prop);
```
## 9. A Mysterious Double: Creating a Copy of an Object
Don't want to mess with the original? Make a doppelgänger. It's like having a twin, but with less sibling rivalry.
```javascript
let copyObject = obj => Object.assign({}, obj);
```
## 10. Magical Vanishing Act: Removing a Property from an Object
Now, for the pièce de résistance, we're going to make a property disappear! Just like magic, but less flashy.
```javascript
let removeProperty = (obj, prop) => { delete obj[prop]; return obj; };
```
## 11. A World Without Clones: Removing Duplicate Items from an Array
Duplicates are so passé. Let’s spring clean that array!
```javascript
let removeDuplicates = array => [...new Set(array)];
```
## 12. Two-Headed Monster: Merging Two Arrays or Objects
Lastly, the beast of all beasts - merging arrays or objects. Don't worry, no actual monsters were harmed.
```javascript
let mergeItems = (item1, item2) => Array.isArray(item1) ? [...item1, ...item2] : { ...item1, ...item2 };
```
And voilà! You’ve now dipped your toes into the enchanting world of JavaScript. Remember, practice makes perfect and if your grandma can do it, so can you. Get coding!