16、join（)方法的作用是（）。A．检测数值元素的每个元素是否都符合条件B．连接两个或更多的数组,并返回结果C．检测数值元素,并返回符合条件所有元素的数组D．把数组的所有元素放入一个字符串
16、join（)方法的作用是（）。
A．检测数值元素的每个元素是否都符合条件
B．连接两个或更多的数组,并返回结果
C．检测数值元素,并返回符合条件所有元素的数组
D．把数组的所有元素放入一个字符串
参考答案和解析
把数组的所有元素放入一个字符串
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