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href='/doc/' >应用文档-天天文库</a>。</p><p>1、一,javascript实现页面刷新下拉框选中值不变1.<!DOCTYPEHTMLPUBLIC"-//W3C//DTDHTML4.0Transitional//EN">2.<HTML>3.<HEAD>4.<TITLE>NewDocument5.6.7.8.9.10.13.14.15.16.17.18.19.20.21.22.