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optimize clmod

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ed 2021-08-27 23:58:23 +02:00
parent 97c264ca3e
commit e1eaa057f2
1 changed files with 15 additions and 6 deletions
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21
copyparty/web/util.js
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@ -179,17 +179,26 @@ function crc32(str) {
function clmod(el, cls, add) {
if (el.classList) {
var have = el.classList.contains(cls);
if (add == 't')
add = el.classList.contains(cls) ? 0 : 1;
add = !have;
return el.classList[add ? 'add' : 'remove'](cls);
if (add != have)
el.classList[add ? 'add' : 'remove'](cls);
return;
}
var re = new RegExp('\\s*\\b' + cls + '\\s*\\b', 'g');
if (add == 't')
add = !re.test(el.className);
var re = new RegExp('\\s*\\b' + cls + '\\s*\\b', 'g'),
n1 = el.className;
el.className = el.className.replace(re, ' ') + (add ? ' ' + cls : '');
if (add == 't')
add = !re.test(n1);
var n2 = n1.replace(re, ' ') + (add ? ' ' + cls : '');
if (n1 != n2)
el.className = n2;
}