forEach如何得到样式 这个有点难

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<script>
    const [p1, p2, p3] = document.querySelectorAll('p');


    const m1 = new Map([['color', 'blue'], ['backgroundColor', 'green'], ['fontSize', '19px']]);
    const m2 = new Map([['color', 'red'], ['backgroundColor', 'orange'], ['fontSize', '29px']]);
    const m3 = new Map([['color', 'red'], ['backgroundColor', 'orange'], ['fontSize', '39px']]);
    const m = new Map([[p1, m1], [p2, m2], [p3, m3]]);

    m.forEach((value, key,Map)=> {
       value.forEach(function(){
           
       })
    },);

</script>

问题描述不清楚

<script>
    const [p1, p2, p3] = document.querySelectorAll('p');
 
 
    const m1 = new Map([['color', 'blue'], ['backgroundColor', 'green'], ['fontSize', '19px']]);
    const m2 = new Map([['color', 'red'], ['backgroundColor', 'orange'], ['fontSize', '29px']]);
    const m3 = new Map([['color', 'red'], ['backgroundColor', 'orange'], ['fontSize', '39px']]);
    const m = new Map([[p1, m1], [p2, m2], [p3, m3]]);
 
    m.forEach((value, key,Map)=> {
       value.forEach(function(val,k){
           console.log(k + ":" +  val + ";")
       })
    },);
 
</script>