do something every second javascript code example

Example 1: jquery call function every second

setInterval(function(){ 
    //this code runs every second 
}, 1000);

Example 2: js do every x seconds

window.setInterval(function() {
  // do stuff
}, 1000); // 1000 milliseconds (1 second)

Example 3: run function every second javascript

setInterval(function(){ 
    //this code runs every second 
}, 1000);