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`await` ↔ JS Keyword to suspend execute JS code portion until `Promise` Settled & returns result

await must be used inside async function - when used in regular functions causes SyntaxError

!snippet async...await timer

(async function f(){
  const result = await new Promise((resolve, reject) => {
    setTimeout(() => resolve("1 second"), 1000)
  });
  
  alert(result)
})()

References

async function ↔ JS Keyword to Declare function with Asynchronous Code to return Promise & allow await inside
**Event Loop** ↔ (mechanism) to orchestrate Non-Blocking Concurrency Model by manageCallback Functions between Callback Queue& Call Stack, to await execute
Callback Queue ↔ Data structure "todo" list of Callback Function to await execution

References