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console 命令行工具 X clear

                    
>
console
new Vue({
    el: "#app",
    data: {
        disabledForBtn: true
    },
    computed: {
        isCanUseInput: () => new Date().getHours() > 12
    }
})
<div id="app">
    <button v-bind:disabled = "disabledForBtn">click me</button>
    <input v-bind:disabled = "new Date().getHours() > 12" />
    <input v-bind:disabled = "isCanUseInput" />
    <br/>
    <button :disabled = "disabledForBtn">click me</button>
    <input  :disabled = "new Date().getHours() > 12" />
    <input  :disabled = "isCanUseInput" />
</div>