js自动执行刷新

var id= setInterval(function(){ myTimer() }, 1000);
 
function myTimer() {
    var d = new Date();
    var t = d.toLocaleTimeString();
    document.getElementById("demo").innerHTML = t;
}
 
function myStopFunction() {
    clearInterval(id);

  

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转载自www.cnblogs.com/xuxian001/p/12191478.html