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fix: Do not use micro tasks in Pale Moon browser (#10515) #10517

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fix: Do not use micro tasks in Pale Moon browser (#10515) #10517

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1 change: 1 addition & 0 deletions src/core/util/env.js
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Expand Up @@ -16,6 +16,7 @@ export const isIOS = (UA && /iphone|ipad|ipod|ios/.test(UA)) || (weexPlatform ==
export const isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge
export const isPhantomJS = UA && /phantomjs/.test(UA)
export const isFF = UA && UA.match(/firefox\/(\d+)/)
export const isPaleMoon = UA && UA.match(/palemoon\/(\d+)/)

// Firefox has a "watch" function on Object.prototype...
export const nativeWatch = ({}).watch
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4 changes: 2 additions & 2 deletions src/platforms/web/runtime/modules/events.js
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Expand Up @@ -2,7 +2,7 @@

import { isDef, isUndef } from 'shared/util'
import { updateListeners } from 'core/vdom/helpers/index'
import { isIE, isFF, supportsPassive, isUsingMicroTask } from 'core/util/index'
import { isIE, isFF, isPaleMoon, supportsPassive, isUsingMicroTask } from 'core/util/index'
import { RANGE_TOKEN, CHECKBOX_RADIO_TOKEN } from 'web/compiler/directives/model'
import { currentFlushTimestamp } from 'core/observer/scheduler'

Expand Down Expand Up @@ -42,7 +42,7 @@ function createOnceHandler (event, handler, capture) {
// #9446: Firefox <= 53 (in particular, ESR 52) has incorrect Event.timeStamp
// implementation and does not fire microtasks in between event propagation, so
// safe to exclude.
const useMicrotaskFix = isUsingMicroTask && !(isFF && Number(isFF[1]) <= 53)
const useMicrotaskFix = isUsingMicroTask && !(isFF && Number(isFF[1]) <= 53) && !isPaleMoon

function add (
name: string,
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