To create a pop-up box, try these:
> javascript:alert(“Hello World!”);
> javascript:alert(“Whatever you want your browser to tell you!”);
> javascript:alert(“First message”); alert(“Second message”); alert(“Third message”);
To enable editing on any web page (only where YOU see it, not anyone else), input the following code:
> javascript: document.body.contentEditable = 'true'; document.designMode = 'on'; void 0
To make all images within your browser window fly around, try:
> javascript:R=0; x1=.1; y1=.05; x2=.25; y2=.24; x3=1.6; y3=.24; x4=300; y4=200; x5=300; y5=200; DI=document.getElementsByTagName("img"); DIL=DI.length; function A(){for(i=0; i-DIL; i++){DIS=DI[ i ].style; DIS.position='absolute'; DIS.left=(Math.sin(R*x1+i*x2+x3)*x4+x5)+"px"; DIS.top=(Math.cos(R*y1+i*y2+y3)*y4+y5)+"px"}R++}setInterval('A()',5); void(0);
Keep in mind that Javascript is a bit tricky to work with, so some injections work one way, but may not produce the results you were expecting another way.
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