<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>JS Bin</title>
</head>
<body>
<input type="button" id="the-button" value="Test">
<div id="results" style="display: none">
Tests so far: <span id="testcount">0</span>
<br>Rough resolution: <span id="resolution"></span>
</div>
<script>
(function() {
"use strict";
// This version avoids using anything IE8 doesn't have, to be compatible with really old browsers
if (!Date.now) {
Date.now = function() {
return new Date().getTime();
};
}
var testcount = document.getElementById("testcount");
var resolution = document.getElementById("resolution");
document.getElementById("the-button").onclick = function() {
var sum = 0;
var n = 0;
log("Checking this browser's Date object resolution...");
document.getElementById("results").style.display = "";
setTimeout(batch, 50);
function batch() {
var target = n + 1000;
while (n < target) {
sum += test();
++n;
}
testcount.innerHTML = n;
resolution.innerHTML = (sum / n) + "ms";
if (n < 10000) {
setTimeout(batch, 50);
} else {
log("Done");
}
}
};
function test() {
var x = Date.now();
var y;
do {
y = Date.now();
} while (x == y);
return y - x;
}
function log(msg) {
var p = document.createElement("p");
p.appendChild(document.createTextNode(msg));
document.body.appendChild(p);
}
})();
</script>
</body>
</html>
Output
This bin was created anonymously and its free preview time has expired (learn why). — Get a free unrestricted account
Dismiss xKeyboard Shortcuts
Shortcut | Action |
---|---|
ctrl + [num] | Toggle nth panel |
ctrl + 0 | Close focused panel |
ctrl + enter | Re-render output. If console visible: run JS in console |
Ctrl + l | Clear the console |
ctrl + / | Toggle comment on selected lines |
ctrl + ] | Indents selected lines |
ctrl + [ | Unindents selected lines |
tab | Code complete & Emmet expand |
ctrl + shift + L | Beautify code in active panel |
ctrl + s | Save & lock current Bin from further changes |
ctrl + shift + s | Open the share options |
ctrl + y | Archive Bin |
Complete list of JS Bin shortcuts |
JS Bin URLs
URL | Action |
---|---|
/ | Show the full rendered output. This content will update in real time as it's updated from the /edit url. |
/edit | Edit the current bin |
/watch | Follow a Code Casting session |
/embed | Create an embeddable version of the bin |
/latest | Load the very latest bin (/latest goes in place of the revision) |
/[username]/last | View the last edited bin for this user |
/[username]/last/edit | Edit the last edited bin for this user |
/[username]/last/watch | Follow the Code Casting session for the latest bin for this user |
/quiet | Remove analytics and edit button from rendered output |
.js | Load only the JavaScript for a bin |
.css | Load only the CSS for a bin |
Except for username prefixed urls, the url may start with http://jsbin.com/abc and the url fragments can be added to the url to view it differently. |