1. How to Capitalize Text
Capitalize function which accepts some text and makes the first letter uppercase, then appends the rest of the string
2. How to Calculate Percent
Function to Calculate Percentage by entering the percentage and the total.
Result:
<See code/>
3. How to Get a Random Element
Function to get a random element in a given array.Each time you run the function it delivers a different random result than the previous one.
Result:
<See code/>
4. How to Remove Duplicate Elements
Function that removes repeated elements from a given object.
Result:
<See code/>
5. How to Sort Elements By Certain Property
Function that sorts arrays and objects by a chosen property.
lessons = [
{position:0, name:'Intro', duration:18,},
{position:1, name:'Basics', duration:12,},
{position:2, name:'Advanced', duration:15,},
];
Result:
<See code/>
6. How to Check if Arrays/Objects are Equal
Function that compares 2 arrays or objects and delivers whether they are the same or different.
Result:
<See code/>
7. How to Count Number of Occurrences
Function that counts how many times the same element is repeated in an array.
Array = ["Yes", "Yes", "No", "Yes", "No", "No", "Yes"];
Result:
<See code/>
8. How to Wait for a Certain Amount of Time
Function to wait a certain time for something.
In this case, the time entered is displayed as a countdown in milliseconds.
At the end, a finished
message is
triggered.
Result:
<See code/>
9. How to Use the Pluck Property from Array of Objects
The function maps over this array and returns only the values of the property that we specified.
users = [
{ name: "Abe", age: 45 },
{ name: "Jennifer", age: 27 },
{ name: 'Paul', age: 31 },
];
Result:
<See code/>
10. How to Insert an Element at a Certain Position
This function allows you to insert an element into this array and specify where it should be placed.
initialArray = [ "Ignacio", "Santiago", "Javier", "Martin", "Tatiana" ];