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Make the log auto-scroll if the scrollbar is near the bottom, but maintain position if it isn't.

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This commit is contained in:
Rob Sayre 2011-06-25 09:42:59 -07:00
parent a1d654c010
commit 22538d6697
1 changed files with 9 additions and 1 deletions
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10
test/test_slave.html
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@ -194,9 +194,17 @@ function clear(ctx) {
ctx.restore();
}
/* Auto-scroll if the scrollbar is near the bottom, otherwise do
nothing. */
function checkScrolling() {
if ((stdout.scrollHeight - stdout.scrollTop) <= stdout.offsetHeight) {
stdout.scrollTop = stdout.scrollHeight;
}
}
function log(str) {
stdout.innerHTML += str;
window.scrollTo(0, stdout.getBoundingClientRect().bottom);
checkScrolling();
}
</script>
</head>