36 lines
986 B
HTML
36 lines
986 B
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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<style>
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.parent {
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height: 300px;
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background-color: aquamarine;
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overflow: scroll;
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}
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.son {
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height: 1000px;
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width: 80%;
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margin: 0 auto;
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background: linear-gradient(to bottom, #ff0000, #00ff00); /* 从上到下的颜色渐变 */
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}
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</style>
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</head>
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<body>
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<div class="parent">
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<div class="son"></div>
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</div>
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<script>
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let parent = document.querySelector(".parent")
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let son = document.querySelector(".son")
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// 元素的ScrollTop(卷上去的高度) + clientHeight (元素盒子模型的内容高度 content + padding) >= scrollHeight(元素能滚动的高度)
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parent.onscroll = function(){
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if (parent.scrollTop + parent.clientHeight > parent.scrollHeight - 10) {
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alert("到底部了")
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}
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}
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</script>
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</body>
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</html> |