JS Bin
// source https://jsbin.com/cocome
var c = 0;
var d = 1;
//var count = 0;
var addSetI = setInterval(function () {
// if(count == 3) {
// clearI();
// }
timer();
}, 1000);
function timer() {
c =c +d;
console.log(c);
if(c == 10) {
//count++
d=-1;
}
else if(c<=1) {
d=1;
}
}
var clearI = function() {
clearInterval(addSetI);
};
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>JS Bin</title>
</head>
<body>
<script id="jsbin-javascript">
var c = 0;
var d = 1;
//var count = 0;
var addSetI = setInterval(function () {
// if(count == 3) {
// clearI();
// }
timer();
}, 1000);
function timer() {
c =c +d;
console.log(c);
if(c == 10) {
//count++
d=-1;
}
else if(c<=1) {
d=1;
}
}
var clearI = function() {
clearInterval(addSetI);
};
</script>
<script id="jsbin-source-javascript" type="text/javascript">var c = 0;
var d = 1;
//var count = 0;
var addSetI = setInterval(function () {
// if(count == 3) {
// clearI();
// }
timer();
}, 1000);
function timer() {
c =c +d;
console.log(c);
if(c == 10) {
//count++
d=-1;
}
else if(c<=1) {
d=1;
}
}
var clearI = function() {
clearInterval(addSetI);
};</script></body>
</html>