Question

我使用对象作为地图并使用模式映射将对象存储在其中[obj.href] = obj

我期待重复的密钥，但发生了一些非常奇怪的事情：

我有2个完全不同的（每个字段）对象存储不同的键，但是当第3个对象具有与1st相同的键时，查找返回第2个对象（使用不同的键存储），当我执行查找返回的对象的href，我再次获得相同的对象，就像2个键是等效的一样。

根据Which characters are valid/invalid in a JSON key name?以及SO上的其他一些帖子，任何有效字符串都可以是对象中的一个键，并且您不需要转义任何字符，我担心因为所有字符＆＃39; /＆＃39;和＆＃39;＃＆＃39; s。

我确定我的代码中只是一个简单的错误，我无法看到它，因为它已经是上午8点，而且我已经整晚都在玩。任何帮助发现它将不胜感激。

function parseSpellsList($)
{
    var spellsList = {};

     $("ul[class|='link'],ul[class$='level']").each(function() {
        var obj, spell_type, links, i, link, a, span, prevObj, hashKey;
        obj = {};
        links = this.children;
        for (i=0; i<links.length; i++) {
            link = links[i];
            a = link.children[0];
            obj.href = a.href.replace("file:///home/ckot/rpg_app/", "").replace("scripts/", "");
            obj.name = a.innerHTML.replace("<b>", "").replace("</b>", "");
            hashKey = obj.href;
            prevObj = null;
             if ( !(spellsList.hasOwnProperty(hashKey))) {
                 // debug code
                if ("Blood Blaze" === obj.name || "Vomit Swarm" === obj.name) {
                    console.log("storing " + JSON.stringify(obj, null, "    ") + " with hashKey: " + hashKey);
                }
                spellsList[hashKey] = obj;
            } else {
                console.log("\nWARNING: hashKey " + hashKey + " already exists");
                prevObj = spellsList[hashKey];
                console.log("object we which to store with hashKey: " + hashKey + "\n" + JSON.stringify(obj, null, "    ")) ;
                console.log("object retrieved with hashKey: " + hashKey + "\n" + JSON.stringify(prevObj, null, "    "));
                console.log("object retrieved with hashKey: " + prevObj.href + "\n" + JSON.stringify(spellsList[prevObj.href], null, "    ") + "\n");
            }
        }
    });
}

当我运行它时，我得到以下输出：

storing {
    "href": "advancedRaceGuide/featuredRaces/orcs.html#blood-blaze",
    "name": "Blood Blaze"
} with hashKey: advancedRaceGuide/featuredRaces/orcs.html#blood-blaze
storing {
    "href": "advanced/spells/vomitSwarm.html#vomit-swarm",
    "name": "Vomit Swarm"
} with hashKey: advanced/spells/vomitSwarm.html#vomit-swarm

WARNING: hashKey advancedRaceGuide/featuredRaces/orcs.html#blood-blaze already exists
object we which to store with hashKey: advancedRaceGuide/featuredRaces/orcs.html#blood-blaze
{
    "href": "advancedRaceGuide/featuredRaces/orcs.html#blood-blaze",
    "name": "Blood Blaze"
}
object retrieved with hashKey: advancedRaceGuide/featuredRaces/orcs.html#blood-blaze
{
    "href": "advanced/spells/vomitSwarm.html#vomit-swarm",
    "name": "Vomit Swarm"
}
object retrieved with hashKey: advanced/spells/vomitSwarm.html#vomit-swarm
{
    "href": "advanced/spells/vomitSwarm.html#vomit-swarm",
    "name": "Vomit Swarm"
}

编辑：

仅针对某些情况我使用： node v0.10.22 npm v1.4.24 and the npm modules: jsdom v1.0.0-pre.3 jquery v2.1.1",

Answer 1

nvm，我在$ .each（）的开头初始化obj而不是嵌套的for循环。：（

我想我只是需要睡一觉。

不同的javascript对象键似乎被评估为相同

1 个答案: