let fruits = ['Banana', 'Orange', 'Lemon', 'Apple', 'Mango'] let citrus = fruits.slice(1, 3) // fruits contains ['Banana', 'Orange', 'Lemon', 'Apple', 'Mango'] // citrus contains ['Orange','Lemon']
Here is what the above code is Doing:
1. The original array is copied to a new array.
2. The new array is sorted.
3. The sorted array is displayed.
4. The original array is displayed.
/* HTML: */ // Javascript: var x = “Jenny,John,Stephanie,Marc,Ryan,Jessica”; var options = x.split(“,”); var select = document.getElementById(‘myoptions’); for(var i=0; i
function isPrime(num) { for (let i = 2; i * i 1; } Here is what the above code is Doing: 1. We’re creating a function called isPrime that takes in a number as a parameter. 2. We’re creating a for loop that starts at 2 and goes up to the square root of the…
function getKeyByValue(object, value) { return Object.keys(object).find(key => object[key] === value); } const map = {“first” : “1”, “second” : “2”}; console.log(getKeyByValue(map,”2″)); Here is what the above code is Doing: 1. We are creating a map with two key-value pairs. 2. We are passing the map and the value to the function getKeyByValue. 3. We are…
$ npm install knex –save # Then add one of the following (adding a –save) flag: $ npm install pg $ npm install sqlite3 $ npm install mysql $ npm install mysql2 $ npm install oracledb $ npm install mssql Here is what the above code is Doing: 1. We’re requiring the knex library. 2….
// Below is the source code to over 10 Syntax Highlighter All Editable. https://github.com/jareer12/Syntax-Highlighters Here is what the above code is Doing: 1. It’s creating a variable called “my_string” and setting it equal to a string. 2. It’s printing the variable “my_string” to the console. 3. It’s creating a variable called “my_integer” and setting it…
function runFunction() { myFunction(); } function myFunction() { alert(“runFunction made me run”); } runFunction(); Here is what the above code is Doing: 1. We create a function called runFunction. 2. We create a function called myFunction. 3. We call the runFunction function. 4. The runFunction function calls the myFunction function. 5. The myFunction function runs…