if (!ArrayProto.indexOf) {
ArrayProto.indexOf = function(needle, fromIndex) {
return $.inArray(needle, this, fromIndex);
};
}
Backwards compatibility fixes for old browsers or old library versions
Fix Array.prototype.indexOf for old browsers
if (!ArrayProto.indexOf) {
ArrayProto.indexOf = function(needle, fromIndex) {
return $.inArray(needle, this, fromIndex);
};
}
jQuery.fn.on was added in version 1.7. Its similar predecessor was “bind”. We delegate to “bind” in old jQuery versions.
if (!$.fn.on) {
$.fn.on = $.fn.bind;
}