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为什么return data 之后，显示data is not defined？
    function getData() { var data = new Array(); for (var i=0; i<list.length; i++) { var city_text = list[i].firstChild. ... //data is not defined 已经return data了，外部的data为何无法调用呢？...
asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)
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