1324209.html (707B)
1 <!DOCTYPE HTML> 2 <html> 3 <head> 4 <script type="application/javascript"> 5 6 function crash() { 7 var target1 = document.getElementById("target1"); 8 var target2 = document.getElementById("target2"); 9 var observer1 = new IntersectionObserver(function (entries) { 10 console.log(entries); 11 observer1.disconnect(); 12 observer2.disconnect(); 13 }); 14 var observer2 = new IntersectionObserver(function (entries) { 15 console.log(entries); 16 }); 17 observer1.observe(target1); 18 observer2.observe(target2); 19 } 20 21 </script> 22 </head> 23 <body onload="crash()"> 24 <div id="target1" style="background: red; width: 50px; height: 50px"></div> 25 <div id="target2" style="background: green; width: 50px; height: 50px"></div> 26 </body> 27 </html>