JavaScript preprocessors can help make authoring JavaScript easier and more convenient. For instance, CoffeeScript can help prevent easy-to-make mistakes and offer a cleaner syntax and Babel can bring ECMAScript 6 features to browsers that only support ECMAScript 5.
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HTML Settings
Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.
<p data-toggletip>
This clarifies whatever needs clarifying.
</p>
.toggletip-container {
position: relative;
display: inline-block;
}
/* the bubble element, added inside the toggletip live region */
.toggletip-bubble {
display: inline-block;
position: absolute;
left: 100%;
top: 0;
width: 10em;
padding: 0.5rem;
background: #000;
color: #fff;
}
/* boilerplate; nothing really to see here */
html {
font-size: 150%;
font-family: sans-serif;
}
* {
font-size: inherit;
}
button {
width: 2em;
height: 2em;
border-radius: 50%;
border: 0;
background: #000;
font-family: serif;
font-weight: bold;
color: #fff;
}
(function() {
// Get all the toggletip buttons
var toggletipTexts = document.querySelectorAll('[data-toggletip]');
// Iterate over them
Array.prototype.forEach.call(toggletipTexts, function(toggletipText) {
// Create the container element
var container = document.createElement('span');
container.setAttribute('class', 'toggletip-container');
// Put it before the original element in the DOM
toggletipText.parentNode.insertBefore(container, toggletipText);
// Create the button element
var toggletip = document.createElement('button');
toggletip.setAttribute('type', 'button');
toggletip.setAttribute('aria-label', 'more info');
toggletip.setAttribute('data-toggletip-content', toggletipText.textContent);
toggletip.textContent = 'i';
// Place the button element in the container
container.appendChild(toggletip);
// Create the live region
var liveRegion = document.createElement('span');
liveRegion.setAttribute('role', 'status');
// Place the live region in the container
container.appendChild(liveRegion);
// Remove the original element
toggletipText.parentNode.removeChild(toggletipText);
// Build `data-tooltip-content`
var message = toggletip.getAttribute('data-toggletip-content');
toggletip.setAttribute('data-toggletip-content', message);
toggletip.removeAttribute('title');
// Get the message from the data-content element
var message = toggletip.getAttribute('data-toggletip-content');
// Get the live region element
var liveRegion = toggletip.nextElementSibling;
// Toggle the message
toggletip.addEventListener('click', function() {
liveRegion.innerHTML = '';
window.setTimeout(function() {
liveRegion.innerHTML = '<span class="toggletip-bubble">'+ message +'</span>';
}, 100);
});
// Close on outside click
document.addEventListener('click', function (e) {
if (toggletip !== e.target) {
liveRegion.innerHTML = '';
}
});
// Remove toggletip on ESC
toggletip.addEventListener('keydown', function(e) {
if ((e.keyCode || e.which) === 27)
liveRegion.innerHTML = '';
});
// Remove on blur
toggletip.addEventListener('blur', function (e) {
liveRegion.innerHTML = '';
});
});
}());
Also see: Tab Triggers