es6set常见实用用法解析

并集
//let tofwords1 = new t([1, 2, 3]);
//let tofwords2 = new t([3, 5, 2]);

var array1 = [5,6,7,8,18,9,90,81]; var array2 = [10,415,三级色带54,87,98,65,81];let a = new t(array1);let b = new t(array2); // 并集let uniont酸碱滴定误差分析 = new t([...a, ...b]);// t转化为数组let uniont1 = array.from(uniont);console.log(uniont1);// 交集let interctiont = new t([...a].filter(x => b.has(x)));// t转化为数组let interctiont1 = array.简单不简单from(interction小学课堂纪律t);console.log(interctiont1);// 差集let differenceabt = new t(.filter(x => !b.has(x)));// t转化为数组let differenceabt1 = array.from(differenceabt)赵州桥的资料;console.log(differenceabt1);t 转为数组的另外一种方式[...a] a 是一个t 对象