var dropDownList = document.getElementById("ddl_sheng"); //获取DropDownList控件var dropDownListValue = dropDownList.options[dropDownList.selectedIndex].value; //获取选择项的值
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var dropDownList = document.getElementById("ddl_sheng"); //获取DropDownList控件var dropDownListValue = dropDownList.options[dropDownList.selectedIndex].value; //获取选择项的值
转载于:https://www.cnblogs.com/jkyweb/p/3216939.html