and javascript

Write a function called lucky_sevens which takes an array of integers and returns true if any three consecutive elements sum to 7. by js

Use the same JSON object from the previous question and write down JS code to parse the object and show the names of people who are older than 20 years.

Write a JavaScript function called “GCD()” that takes the values from “Number 1“and “Number 2” then calculate the greatest common divisor of the two numbers and show the result as alert.

Create a JavaScript Function with the name age () this function will take your date of birth as parameters and return your age in years.

Write a javascript function that takes two arguments and should either sum them or just print the first one if the second one is undefined. If both are undefined print "No numbers given"

Write a JavaScript program to display the current day and time in the following format. Today is : Tuesday. Current time is : 10 PM : 30 : 38

javaScript Age in Dog years //write a function that takes your age and returns it to you in dog years - they say that 1 human year is equal to seven dog years function dog Years() javaScript