Write a JavaScript function timer(), which implements a countdown timing utility. Whencalling the function with an input argument X, the function will return a message "X seconds has lapsed." after X...

Write a JavaScript function timer(), which implements a countdown timing utility. When calling the function with an input argument X, the function will return a message "X seconds has lapsed." after X seconds. Here is an example use case of this function. timer(10). then(msg => {console.log(msg)}); // 10 seconds has lapsed.Write a JavaScript function timer(), which implements a countdown timing utility. When calling the function with an input argument X, the function will return a message "X seconds has lapsed." after X seconds. Here is an example use case of this function. timer(10). then(msg => {console.log(msg)}); // 10 seconds has lapsed.