jq源码-事件机制1

jQuery.fn[ 'click' ] = function( data, fn ) {
    return arguments.length > 0 ?
         this.on( name, null, data, fn ) :
         this.trigger( name );
};

bind: function( types, data, fn ) {
    return this.on( types, null, data, fn )
}

delegate: function( selector, types, data, fn ) {
    return this.on( types, selector, data, fn )
}

one: function( types, selector, data, fn ) {
    return this.on( types, selector, data, fn, 1 )
}