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The situation is as follows:
The front end initiates a request to the back end. This request takes a long time and is likely to fail. At this time, the front end adds a loading layer
Firefox browser: This loading The layer can run normally until the background returns, and then the front-end reports an error
Google Chrome: This loading layer can run normally at first, but immediately enters a pause state and is stuck until the background returns the results, and then reports an error

Excuse me:
1. What is the cause of this?
2. How to solve this situation?

$.delayLoad(function(dlIndex) {

    請(qǐng)求操作...

    // 關(guān)閉等待層
    layer.close(dlIndex);

});


附：（$.delayLoad方法源碼）