有关js实现下拉框

[qq_41377951]

function selSubSearch(iType) {
hbb = [];
hbb = {
1 : ["icon_1announcement", "5"], /*该行数字5及以下每行的数字是怎么得来的,又该怎么设置数字呢？？？*/
2 : ["icon_1announcement2", "8"],
3 : ["icon_2notice_board", "9"],
4 : ["icon_3working_arrangements", "9"],
5 : ["icon_4factory dynamic1", "12"],
6 : ["icon_4factory dynamic2", "13"],
7 : ["icon_5safety_management", "7"],
8 : ["icon_6traffic_safety_knowledge", "10"],
9 : ["icon_7safety_Inspection", "10"],
10 : ["icon_8ledger", "10"],
11 : ["icon_9other_safety_related_content", "10"],
12 : ["icon_10related_parties_blacklist", "10"],
13 : ["icon_11handling_guideline", "13"],
14 : ["icon_12open_service", "13"],
};
$$("s0").innerHTML = hbb[iType][0];
$$("pt2").style.display = "none";
SetCookie('sousuosss', iType);
$$("catid").value = hbb[iType][1];
};
initHead();
})();

[Go 旅城通票]

丢一堆数据出来谁知道是什么鬼。。

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[qq_41377951]

还需要什么代码信息才能看出来这个段代码意思和数字呢