IT工程師數位筆記本

/** * Replacement for toggle */jQuery.fn.toggle = function( fn, fn2 ) { // Don't mess with animation or css toggles if ( !jQuery.isFunction( fn ) || !jQuery.isFunction( fn2 ) ) { return oldToggle.apply( this, arguments ); } // Save reference to arguments for access in closure var args = arguments, guid = fn.guid || jQuery.guid++, i = 0, toggler = function( event ) {  // Figure out which function to execute  var lastToggle = ( jQuery._data( this, "lastToggle" + fn.guid ) || 0 ) % i;  jQuery._data( this, "lastToggle" + fn.guid, lastToggle + 1 );  // Make sure that clicks stop  event.preventDefault();  // and execute the function  return args[ lastToggle ].apply( this, arguments ) || false; }; // link all the functions, so any of them can unbind this click handler toggler.guid = guid; while ( i < args.length ) { args[ i++ ].guid = guid; } return this.click( toggler );};