props: ['item'],computed: {
coinPrice () { return this.item.currentPrice.toFixed(2)
}
}這里報(bào)this.item.currentPrice undefined，查了加載順訊，props在computed之前，為什么會(huì)報(bào)undefined?值可以出來，先報(bào)undefined后在出來
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泛舟湖上清波郎朗
TA貢獻(xiàn)1818條經(jīng)驗(yàn) 獲得超3個(gè)贊
that result from data request is async，so occur undefined error in first time render
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