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<script> /* 001-Math.abs() 绝对值 */ console.log(Math.abs(123), Math.abs(-998), Math.abs(-886)); /* 123 998 886 */ /* 002-Math.min() 最小值 */ /* 003-Math.m 阅读全文
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<script> /* (1) 数组转换为字符串的方法 */ /* 001-toString() */ /* 语法:arr.toString() */ /* 作用:把数组的每个元素都连接起来组成一个完整的字符串,在链接的时候采用逗号链接。 */ var arr = [true, 100, "哈哈", 阅读全文
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