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The use of beforeDestroy and destroyed

2022-07-31 03:32:00 【The life of an elephant and an ant】

beforeDestroy(before the instance is destroyed)

  1. Type:Function
  2. Detail: Called before the instance is destroyed, the instance is still fully available.
  3. Usage scenario: Mainly unbind some events or timers monitored by addEventListener
 beforeDestroy() {this.stopTrack();},
 beforeDestroy() {
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