Vue练习三十八：05_03_按下按键显示keycode

<template>
    <div>
        <pre v-pre>
&lt;script type="text/javascript"&gt;
window.onload = function ()
{
    var oP = document.getElementsByTagName("p")[0];    
    document.onkeydown = function (event)
    {
        var event = event || window.event;
        oP.innerHTML = event.keyCode;
        return falsedd
    }
}
&lt;/script&gt;
        </pre>
        <p>{{message}}</p>
    </div>
</template>
<script>
export default {
    name:‘Navs‘,
    data(){
        return{1
            message:‘这里将显示您按下键的 keyCode‘
        }
    },
    methods:{
        handleKeydown(event){
            this.message=event.keyCode;
        }
    },
    mounted(){
        document.addEventListener(‘keydown‘,this.handleKeydown)
    }
}
</script>