js如何获得全局变量的值
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</span><span style="color: #0000ff;">var</span><span style="color: #000000;"> ddd;
</span><span style="color: #0000ff;">function</span><span style="color: #000000;"> see(num)
{
ddd</span><span style="color: #000000;">=</span><span style="color: #000000;">num;
}
alert(ddd);
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其他回答(2)
0
你的写法没有错啊，有什么疑问呢？
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num,是个局部变量，肯定要报错的，而且你这个方法里，连个alert都没有，能知道ddd吗
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onclick="see(num)" 这肯定会报错的，不知道楼主想做什么
