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fix(runtime-dom/v-model): only set selectedIndex when the value changes (#3845)

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HcySunYang 2021-05-30 08:42:13 +08:00 committed by GitHub
parent 8b94464a3b
commit ecd97ee6e4
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1 changed files with 2 additions and 2 deletions
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4
packages/runtime-dom/src/directives/vModel.ts
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@ -224,12 +224,12 @@ function setSelected(el: HTMLSelectElement, value: any) {
} }
} else { } else {
if (looseEqual(getValue(option), value)) { if (looseEqual(getValue(option), value)) {
el.selectedIndex = i if (el.selectedIndex !== i) el.selectedIndex = i
return return
} }
} }
} }
if (!isMultiple) { if (!isMultiple && el.selectedIndex !== -1) {
el.selectedIndex = -1 el.selectedIndex = -1
} }
} }