hello world program i n java
Sprite.prototype.myMove = function (){
var elem = document.getElementById("avion1");
var pos = 0;
var id = setInterval(frame, 10);
function frame() {
if (pos == 550) {
clearInterval(id);
} else {
pos++;
elem.style.top = pos + 'px';
}
}
}
//using requestAnimationFrame
var start;
var stopId;
var progress;
var toggle = false;
var element = document.getElementById('avion1');
function step(timestamp) {
if (!start || progress > 400) start = timestamp;
progress = (timestamp - start) / 10 + 50;
element.style.top = progress + 'px';
stopId = window.requestAnimationFrame(step);
}
function toggleAnimation() {
if (!toggle) {
toggle = true;
window.requestAnimationFrame(step);
} else {
toggle = false;
cancelAnimationFrame(stopId);
}
}