CodePen

HTML

            
              
            
          
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↑ Insert the most common viewport meta tag

CSS

            
              
            
          
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? ?
? ?
Must be a valid URL.
+ add another resource
via CSS Lint

JS

            
              class point {
  point() {x=0; y=0; z=0;}
  point(int i, int j, int k) {x=i; y=j; z=k;}
  void moveBy(int i, int j, int k) {x+=i; y+=j; z+=k;}
  void moveTo(int i, int j, int k) {x=i; y=j; z=k;}
private:
  int x;
  int y;
  int z;
}
            
          
!
Must be a valid URL.
+ add another resource
via JS Hint
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