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如题,是对 issue#411 的一次尝试。
如下图,在鼠标点击左侧编辑区时,右侧预览区对应位置会高亮显示 (具体的高亮样式可以进一步编辑,此处只是加了一个
background-color
):同时,如果使用方向键对光标进行移动,高亮区域也会随着光标的位置而改变。在编辑时,高亮也会持续显示不会消失。
欢迎 review 和测试代码。