Puppeteer: How to use promise in evaluate?

Question

var wait = await page3.evaluate(()=> {
    $('.modal').hide()
    setTimeout(()=>{
      return true
    }, 3000);
});

Ex: wait 3 second in evaulate

Answer 1

You return a promise and resolve it when you want. Returning a promise will make it wait until it's resolved.

var wait = await page3.evaluate(()=> {
 return new Promise((resolve,reject)=>{
    $('.modal').hide()
    setTimeout(()=>{
      resolve(true)
    }, 3000);
 });
});