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本文链接:https://blog.csdn.net/weixin_43757001/article/details/91682494
html代码
<!-- 下拉框选择id -->
<div id="selectIdBox">
<select id="selectID"></select>
</div>
JavaScript代码
var gSelectID = ["001", "002", "003", "全部"];
for (var i in gSelectID) {
var selectID = document.getElementById("selectID");
var option = document.createElement("option");// 创建option元素
option.appendChild(document.createTextNode(gSelectID[i]));
option.setAttribute("value", gSelectID[i]);
selectID.appendChild(option);
}