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Garbage collection / removal of XHR Event listeners like load, progress

原文 2017-01-25 13:51:52 5 1 javascript/ events/ xmlhttprequest/ addeventlistener

当我创建浏览器XMLHttpRequest并创建事件侦听器（例如load，readystatechange）时，它们的进度会在XHR请求完成（错误/成功）时被破坏，还是我必须手动销毁它们？

1 answers

像所有其他对象一样，收集了事件发射器和侦听器，因此，当“父” xhr实例为xhr侦听器时，将收集xhr侦听器。

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Garbage collection / removal of XHR Event listeners like load, progress

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1 answers

solution1 0 2017-01-25 14:46:14

solution1
0 2017-01-25 14:46:14