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在单页应用（SPA）中跳转页面时会触发unload事件吗

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在单页应用（SPA）中跳转页面时会触发unload事件吗

如果不触发我们在单页应用中垃圾回收机制怎么优化？


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在react中有一个卸载的声明周期，在卸载前会执行 ComponentWillMount 我们可以在这里面进行对垃圾的回收处理


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