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| <html> | |
| <body> | |
| <div id="parttwoimg"><img src="./images/parttwo_1.jpg" width="300"></div> | |
| <script> | |
| var onScrollHandler = function() { | |
| var yourImageElement = document.querySelector('#parttwoimg img') | |
| var newImageUrl = yourImageElement.src; | |
| var scrollTop = document.documentElement.scrollTop || document.body.scrollTop; | |
| if (scrollTop > 100) { | |
| newImageUrl = "./images/sequence/sequence_1.jpg" | |
| } | |
| if (scrollTop > 200) { | |
| newImageUrl = "./images/sequence/sequence_2.jpg" | |
| } | |
| if (scrollTop > 300) { | |
| newImageUrl = "./images/sequence/sequence_3.jpg" | |
| } | |
| yourImageElement.src = newImageUrl; | |
| }; | |
| object.addEventListener ("scroll", onScrollHandler); | |
| </script> | |
| </body> | |
| </html> |
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then you would need
var yourImageElement = document.getElementById('parttwoimg')