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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>