JAVASCRIPT

// Write a function that takes two strings (a and b) as arguments // If a contains b, append b to the beginning of a // If not, append it to the end // Return the concatenation

// Write a function that takes two strings (a and b) as arguments
// If a contains b, append b to the beginning of a
// If not, append it to the end
// Return the concatenation
function
myFunction(a, b) {
return a.includes(b) ? b + a : a + b;
}