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JavaScript Delay function call


Example

The setTimeout() method calls a function or evaluates an expression after a specified number of milliseconds. It is also a trivial way to achieve an asynchronous operation.

In this example calling the wait function resolves the promise after the time specified as first argument:

function wait(ms) {
    return new Promise(resolve => setTimeout(resolve, ms));  
}

wait(5000).then(() => { 
    console.log('5 seconds have passed...');
});