wait for time javascript
//code before the pause
setTimeout(function(){
//do what you need here
}, 2000);wait for time javascript
//code before the pause
setTimeout(function(){
//do what you need here
}, 2000);wait until something happens javascript
//1st methode : not good enough : very slow
const poller=setInterval(()=>{
//if you want use async function
// return new Promise((resolve, reject) => {
let bear=document.querySelector('ul.bears li')
if(bear){
console.log(bear)
clearInterval(poller)
// resolve(bear)
}
// })
},2000)
//2sd methode : (we will use mutation observer)
const observer= new MutationObserver((mutations)=>{
mutations.forEach((mutation)=>{
if(mutation.addedNodes.lenght){
console.log(mutation.addedNodes[0])
}
})
})
// the elelemtn you wanna to observe
const bears=document.querySelector('ul.bears')
observer.observe(bears,{childList:true})Copyright © 2021 Codeinu
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