timer in javascript
//single event i.e. alarm, time in milliseconds
var timeout = setTimeout(function(){yourFunction()},10000);
//repeated events, gap in milliseconds
var interval = setInterval(function(){yourFunction()},1000);timer in javascript
//single event i.e. alarm, time in milliseconds
var timeout = setTimeout(function(){yourFunction()},10000);
//repeated events, gap in milliseconds
var interval = setInterval(function(){yourFunction()},1000);javascipt delay
function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
console.log("Hello");
sleep(2000).then(() => { console.log("World!"); });javascript settimeout
// Redirect to index page after 5 sec
setTimeout(function(){ window.location="index"; },5000);How to make a timer in javascript
// this example takes 2 seconds to run
const start = Date.now();
// After a certain amount of time, run this to see how much time passed.
const milliseconds = Date.now() - start;
console.log('Seconds passed = ' + millis / 1000);
// Seconds passed = *Time passed*javascipt delay
async function delay(delayInms) {
return new Promise(resolve => {
setTimeout(() => {
resolve(2);
}, delayInms);
});
}
async function sample() {
console.log('a');
console.log('waiting...')
let delayres = await delay(3000);
console.log('b');
}
sample();working of timers in javascript
Timers are used to execute a piece of code at a set time or also to repeat the code in a given interval of time.
This is done by using the functions
1. setTimeout
2. setInterval
3. clearInterval
The setTimeout(function, delay) function is used to start a timer that calls a particular function after the mentioned delay.
The setInterval(function, delay) function is used to repeatedly execute the given function in the mentioned delay and only halts when cancelled.
The clearInterval(id) function instructs the timer to stop.Copyright © 2021 Codeinu
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