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1
|
document.addEventListener('DOMContentLoaded', function() {
|
|
2
|
document.getElementById('toggle-toc').addEventListener('click', function() {
|
|
3
|
var el = document.body, className = 'toc-open';
|
|
4
|
if (el.classList) {
|
|
5
|
el.classList.toggle(className);
|
|
6
|
} else {
|
|
7
|
var classes = el.className.split(' ');
|
|
8
|
var existingIndex = classes.indexOf(className);
|
|
9
|
|
|
10
|
if (existingIndex >= 0)
|
|
11
|
classes.splice(existingIndex, 1);
|
|
12
|
else
|
|
13
|
classes.push(className);
|
|
14
|
|
|
15
|
el.className = classes.join(' ');
|
|
16
|
}
|
|
17
|
});
|
|
18
|
});
|