<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>JS Bin</title>
</head>
<body>
<div class="sized big"><div class="middle"></div>
</div>
<div class="sized medium"><div class="middle"></div>
</div>
<div class="sized small"><div class="middle"></div>
</div>
</body>
</html>
:root {
--size: 150px;
}
.sized {
display: inline-block;
position: relative;
min-width: 50px;
min-height: 50px;
border: solid 3px red;
}
.big {
--cursize: calc(var(--size)*2);
width: var(--cursize);
height: var(--cursize);
/* this works fine */
}
.medium {
width: var(--size);
height: var(--size);
/* this also works fine */
}
.small {
--cursize: calc(var(--size)/2);
width: var(--cursize);
height: var(--cursize);
/* this works ok, cursize is a new variable in here */
}
/* this is a dot, to be placed in the middle of each element */
.middle {
display: block;
position: absolute;
border: solid 2px black;
}
.big .middle {
/* does not work! Apparently, cursize(from big) did not survive! */
/* if you replace cursize by size, it works */
--middle: calc(var(--cursize)/2 - 2px);
left: var(--middle);
top: var(--middle);
}
.medium .middle {
--middle: calc(var(--size)/2 - 2px);
left: var(--middle);
top: var(--middle);
}
.small .middle {
/* this one does not work, cursize(from small) did not get to here! */
--middle: calc(var(--cursize)/2 - 2px);
/* this one works, using size divided by 4 */
--middle: calc(var(--size)/4 - 2px);
left: var(--middle);
top: var(--middle);
}
Output
You can jump to the latest bin by adding /latest
to your URL
Keyboard 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. |