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vue 监听watch问题

new Vue({

el:'#app',
data:{
    pen:{
        penc:false
    }
},
watch:{
    pen.penc:function(){
        
    }
}

});

pen.penc 这样监听会报错。 怎么监听这种对象?


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
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1 Answer

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by (71.8m points)

加上双引号,

el:'#app',
data:{
    pen:{
        penc:false
    }
},
watch:{
    "pen.penc":function(){
        
    }
}

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
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