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// Collection of element class related functions (classes.js)
HashOverConstructor.prototype.classes = new (function () {
// Check whether browser has classList support
if (document.documentElement.classList) {
// If so, wrap relevant functions
// classList.contains () method
this.contains = function (element, className)
{
return element.classList.contains (className);
};
// classList.add () method
this.add = function (element, className)
{
element.classList.add (className);
};
// classList.remove () method
this.remove = function (element, className)
{
element.classList.remove (className);
};
} else {
// If not, define fallback functions
// classList.contains () method
this.contains = function (element, className)
{
if (!element || !element.className) {
return false;
}
var regex = new RegExp ('(^|\\s)' + className + '(\\s|$)');
return regex.test (element.className);
};
// classList.add () method
this.add = function (element, className)
{
if (!element) {
return false;
}
if (!this.contains (element, className)) {
element.className += (element.className ? ' ' : '') + className;
}
};
// classList.remove () method
this.remove = function (element, className)
{
if (!element || !element.className) {
return false;
}
var regex = new RegExp ('(^|\\s)' + className + '(\\s|$)', 'g');
element.className = element.className.replace (regex, '$2');
};
}
}) ();
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