<input type="text" v-model="propName"/>
watch: {
propName: {
handler (newVal, oldVal) {
console.log(newVal)
},
immediate: true //设置为 true 时,第一次进入页面时即监听;false时刚进入页面不监听,仅在值发生变化时监听
}
}
<input type="text" v-model="propName"/>
watch: {
propName: {
handler (newVal, oldVal) {
console.log(newVal)
},
immediate: true //设置为 true 时,第一次进入页面时即监听;false时刚进入页面不监听,仅在值发生变化时监听
}
}