Created
June 3, 2019 15:47
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显示简书图片的脚本
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| // 节流 | |
| function debounce(fn, delay) { | |
| var timer | |
| return function() { | |
| var context = this | |
| var args = arguments | |
| clearTimeout(timer) | |
| timer = setTimeout(function() { | |
| fn.apply(context, args) | |
| }, delay) | |
| } | |
| } | |
| const showTruePic = ()=>{ | |
| document.querySelectorAll('.image-view').forEach(node => { | |
| const newNode = node.cloneNode(true) // 克隆container节点 | |
| newNode.classList.remove("image-view-maintain"); // 去除cover的样式 | |
| const oldImage = node.getElementsByTagName('img')[0] | |
| const newImage = oldImage.cloneNode(true) // 克隆item节点 | |
| newImage.src = oldImage.dataset.originalSrc // 设置src | |
| newImage.classList.remove("image-loading"); // 去除蒙层 | |
| newNode.appendChild(newImage) // 添加item节点到container节点 | |
| node.parentElement.replaceChild(newNode, node) // 更新旧的container节点 | |
| } | |
| ) | |
| } | |
| // 加载时直接执行一次 | |
| showTruePic() | |
| // 每次滚动，都执行一次 | |
| window.addEventListener("scroll", debounce(showTruePic, 1000)); |
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