<html>
<head>
<meta charset="utf-8">
<title>JS Bin</title>
<style>
td { width: 28px; height: 28px; background: white; border: 1px solid black; cursor: pointer;}
table { border-collapse: collapse; margin-right: -1px;}
button { display: inline-block; width: 120px; margin-top: 20px; padding: 5px 0; border: 2px solid #dadada; border-radius: 5px; text-align: center; cursor: pointer;}
button:hover {background: #f2e41f; }
.black { background: black; }
.conversely td { background: black; }
.conversely .black { background: white; }
</style>
</head>
<body>
<button>Поменять цвета</button>
</body>
</html>
function trim(str) {
if (str.charAt(0) == ' ') {
str = str.substring(1, str.length);
}
if ( str.charAt(str.length - 1) == ' ' ) {
str = str.substring(0, str.length - 1);
}
return str;
}
function hasClass(node, klass) {
var classes = ' ' + node.className.replace('\\s', ' ') + ' ';
if ( classes.indexOf(' ' + klass + ' ') + 1 ) {
return true;
}
return false;
}
function addClass(node, klass) {
if ( !hasClass(node, klass) ) {
if ( node.className.length !== 0 ) {
node.className += ' ' + klass;
} else {
node.className = klass;
}
}
return node;
}
function removeClass(node, klass) {
if ( hasClass(node, klass) ) {
var classes = ' ' + node.className + ' ',
regexp = new RegExp("\\s" + klass + "\\s", 'g');
node.className = trim( classes.replace(regexp, ' ').replace(regexp, ' ') );
}
return node;
}
function toggleClass(node, klass) {
if ( !hasClass(node, klass) ) {
addClass(node, klass);
} else {
removeClass(node, klass);
}
return node;
}
var body = document.body;
body.insertBefore(document.createElement('table'), body.firstChild);
var table = body.getElementsByTagName('table')[0],
tr,
td = document.createElement('td');
for (var i = 16; i > 0; i--) {
if ( i % 4 == 0 ) {
tr = document.createElement('tr');
table.appendChild(tr);
tr = table.getElementsByTagName('tr')[4 - i / 4];
}
tr.appendChild(td);
}
var button = document.getElementsByTagName('button')[0];
table.addEventListener('mousedown', function(event) {
var target = event.target || event.srcElement;
console.log(toggleClass(target, 'black').className);
});
button.addEventListener('click', function(event) {
console.log(toggleClass(table, 'conversely').className);
});
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. |