why setImmediate function executes after setTimeout

Question

setImmediate(() => {
    console.log("set immediate function calling")
})
setTimeout(() => {
    console.log("setTime out function")
}, 1000)
for (let i = 0; i <= 10000000000; i++) {

}
console.log("loop end")

The result is:

loop end
setTime out function
set immediate function calling

Answer 1

setimmediate executes its callback function after the current event loop finishes. The current event includes everything like displaying running a loop or another browser operation.

Also note setimmediate is a depreciated