javascript - image loop works but the user controls partially work -

javascript - image loop works but the user controls partially work -

January 15, 2010

Everything works except the back button, but it does nothing further, but I basically have both For the same code, please subtract it please jquery and thanks in advance for the help too very new to javascript

  var images = ['html.png', 'css3.png ',' WebDevLogo.jpg ',' Programmer% 20Wallpaper.jpg ',' CSS3Thing.png ',' CSS3% 20Wallpaper .jpg ',' HTML5% 20Wallpaper.png ']; Var current image = 0; Function loop () {currentImage ++; If (current image & gt; images. Lang -1) {currentImage = 0; } SetImage (); } Function setImage () {document.getElementById ('image'). Src = Picture [currentImage]; } Forward Forward () {currentImage = currentImage ++; Loop ()} function back () {currentImage = --currentImage; Loop ()} setInterval (loop, 3000);

The back button does nothing, because in loop If you always go to the next image then go back to back and then loop moves it where it was.

Code to loop setImage . Use front and back in setImage instead of loop . By which I mean move

   if (current image> images> lang -1) {currentImage = 0; }  
 
  Use increment and subtraction without specifying this. It spoils your results. 
   ++ current image; // forward - current image; // in Back  
 
  You can also improve your image rotation 
   currentImage% = images.length; Instead of  
  
   if (current image> images> lang -1) {currentImage = 0; }  
 
  Another issue may be that it is pushing  back  or  forward   setTimeout Does not restart the  loop  of   clear timeout  and  setTimeout  or use that shared time lock.


















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