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An h5 page that comes into the app for the first time, how to prevent the following page from scrolling when dragging the black mask
You can bind events to the mask, and then e.preventDefault();e.stopepropagation();
When the pop-up window appears, add a style to the page behind the pop-up windowoverflow:hidden;. When the pop-up window disappears, remove this style
overflow:hidden;
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
You can bind events to the mask, and then e.preventDefault();e.stopepropagation();
When the pop-up window appears, add a style to the page behind the pop-up window
overflow:hidden;. When the pop-up window disappears, remove this style