vue3watch加上开启deep和immediate
deep:true 开启深度监听immediate:true 开启直接监听watch(() => state.topDate,(newVal,oldVal)=>{console.log(newVal,'新')console.log(oldVal,'旧')},{ deep: true,immediate:true })
·
deep:true 开启深度监听
immediate:true 开启直接监听
watch(() => state.topDate,(newVal,oldVal)=>{
console.log(newVal,'新')
console.log(oldVal,'旧')
},{ deep: true,immediate:true }
)
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