Javascript 为什么我在for（）循环中无限循环？

有人能回顾一下这段代码并告诉我为什么for循环是无限的吗？我需要一双新眼睛。谢谢大家!

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var routeCount = [routeData.length];
var train = [];
var trackColor = "#888";
for(var i = 0; i < routeData.length; i++) {
  var trainCount = 0;
  train = [];
  routeCount[i] = [];
  routeCount[i]["route_id"] = routeData[i]["id"];
  trackColor = routeData[i]["owned"] ? "#555" : "#888";
  for(var j = 0; j < trainData.length; j++) {
    if(trainData[j]["route_id"] == i) {
new Dialog().showMessage("test", j+":route match on "+i);
      train[trainCount] = trainData[j];
      trainCount++;
    }
  }
if(train[0]) { new Dialog().showMessage("train", i+":train="+train.toSource()); }
drawTrack(parseInt(routeData[i]["c1_y"]),
                                                 parseInt(routeData[i]["c1_x"]),
                                                 parseInt(routeData[i]["c2_y"]),
                                                 parseInt(routeData[i]["c2_x"]),
                                                 trackColor,
                                                 train);
}

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y”：314”，c2-你们们，你们们，你们们，c2-U：232，你们们，c2-U：232，你们们：232，你们们：232，你们们：232，你们们：232，你们们：232，32，“c2-U：232，”32，“c2-U：257”，c2-你们们，你们们，你们们：257，”共：232，“共：232，”共有：你们们，共有：232，“共：257，”共有”，共有：7，共有：7，共有：7，共有：共有：{“id”：32，“c1_id”：32，“c2_id”：16，12“成本”：12，“c1-U x”：192，“c1-U U x”：192，“c1-U U U U y”：192，“c1-U U y”：30，“拥有的”：虚假的，{“id”：33，”id：33，“c1-id”：16，“c2-U id”：16，“C-U id”：15，“成本”：15，“成本”：10，“成本”：10，“c1-U x”：10，“c1-U x”：10，“c1-U x”：170”，19，“c1-U x”：19”，19，“c1-x”：19，“C”，1”，1，“c1-U：10”，10，“c1-U x”：10”，19，“C”，19，“C”，10，“c1-U x：10”，19，“1”，10”，19，“C”，10，“C”，10，“C”，10”，10”，10，“c1-10，“C，”1，“C，”1”，10”，10，“C，”1，”1，”1，1，1，1，1，1，10”，10”，10”，10”，19，“C”，19，“C”，19，“C”，c1_y:315，“c2_x”：101，“c2_y”例如，成本：12，“c1-y”：12，“c1-y:285，”c1-x x:101，“c1-y”：101，”c1-x:101，“c1-y”：101，“c1-y”：285，“c1-y”：285，“c2-y”：285，“c1-y”：285，“c1-y”：285，“c1-x”：101，“c1-x”：101，“c1-y”：285，”c1-x:101，“c1-x”：101，”c1-x:131，”c1-x:131，“c2-y y”：283，”采取采取采取采取行动；283，”c1，共：283，“共：283，”c1，”c2-y y y”：283，“共：283，”采取采取采取采取行动，c1，”上述上述上述上述，共：283，“两两两两局局：283，“共：283，”，”，”共：283，“有”，共：283，”，”，”，”，”{“id”：39，“c1_id”：41，“c2_id”：18，“c2”y:499，“id”：41，“c1”id:41，“c1”id:41，“c1”id:45，“成本”：13，“c1”id:40，“c1”id:40，“c1”id：18，“c2”id”：18，“c2”id”：18，“c2”id”：18，“c1”id：45，“成本”：18，“成本”：45，“成本”：18，“c2”id”：45，“成本”：45，“成本”：18”，成本：8，“成本”：8，”8，“c1，8，“c1”id：45”，成本”：45，“成本”：8，“成本”：8”，8，“c1”，8，“c1”，c1，c1，c1，x：45，8，“c1，x”：45”，成本”：45，“成本”：8，“成本”：8”，8，“c1，“c1，“c1”，8”，8，“c1，“c1，“c1，x”：35”，150，x”：35，3，3，3”，3，3，3”，3，3：430，“c1_y”：462，“c2_x”：400，“c2_y”3.成本：19，“c1-y”：461，“c1-y”：461，”c2-x x:300，“c2-y”：300，“c2-y”：554，“拥有的”共有：真的，共有：4，”共有：532，“c2-y”：532，“c1-y”：532，“c2-y”：532，”c1:532，共有：共有：共有：532，共有：共有：532，c2，共有：x：408，共有：408，共有：408，c2，你们们：408，共有：408，共有：408，“c2-x”：408，”c2你们们：408，“c2-你们们：408，”共有”，共有”，共有：623，共有：623，共有：623，“共有：623，”共有：623，”共有：623，”共有：623，共有：623，共有：623，共有：623}，{“id”：46，“c1_id”：26，“c2_id”40，“成本”：40，“成本”：12，“成本”：12，“成本”：12”，C 1:12，“c1\ux”：12，“C 1:12”，成本：12，“成本”：12，“成本”：12”，C 1:12，“成本”：12，“成本”：12”，C 1：12，“成本”：12”，12，“成本”：12”，12，C 1:12，C 1:12，C 1:554，“c1，你们们：554”，c2，你们们：554，“c2，你们们，你们们：554，“共有”，共有：5，共有：假想，共有：假，共有：假想，共有：假想，共有：5，共有：假想。5，共有：假，共有：假想，共有：5，共有：48，“c1，c1，c1，c1-id id，c1，c1，c1-id id id id：60，id：60，60，共有：60，共有id，共有：53，第三，id，_x:470，“c1_y:610”，c2_x:408，“c2”id：42，“成本”：13，“c1-ux”：13，“c1-uux”：47，“成本”：13，“c1-ux”：47，“c1-ux”：470，”c1-ux：610，“c2-u”：610，“c2-ux”：610，“c2-uu：540”，c2-uuuuu-y：610，“c2-y”：610，”c1，c1，c1：610，“c1-u：610”，c1：610，“c1：610”，c1：610，“c1”，c1：610，“c1-ux”：610”，c1：610，“c1”，c1：610，“c1-ux”：610，”c1”，c1：610，”c1，c1，c1，c1，共：10，”难度：510，“id：510，”，”难度：510，“id”：10，”c2-id：510，“id：510，”，”10，”c2-id：510，”，”，”，”，”id：510“owned”：true}，{“id”：53，“c1_id”：6，“c2_id”13，“c2\u y”：673，“拥有的”共有：假（id）1，13，“c1\u id”：13，“id”：54，“c1\u id”：53，“c1\u id”：53，”c2\id：53，“c2\u id”：13，“成本”：13，“成本”：13，“成本”：13，“成本”：15，“成本”：15，“c1\u x”：15，“c1，”c1\ux”：470，“c1，x”：470，“c1，y y”：610，“c1”y”：610，“c1”，你们们：610，“c2，你们们”，你们们”，你们们：610，“c2，你们们，”你们们，”你们们，”你们们”，你们们，“你们们”，你们们的前言前言前言前言前言前言前言前言前言前言：610，“c3，“你们们，”你们们，”你们们，”你们们，”你们们，”你们们，你们们，你们们，你们们，你们们，你们们，你们们，你们们，你们们，你们们，你们们，你们们16，“c1_x”：408，“c1_y”：623，“c2_x”：338，“c2_-y”：693，“拥有”：假}，{“id”：57，“c1_-id”：25，“c2_-id”：28，“成本”：11，“c1_-x”：338，“c1_-y”：693，“c2_-x”：298，“拥有”：假}，{“id”：58，“c1_-id”：28，“c2_-id”：50，“成本”：8，“c1_-x”：298，“c1_-y”：675，“c2_-x”：282，“c2_-y”：710，“拥有”：假}，{“id”：59，“c2_-id”：50，“c2}”

Error:  

Problem at line 10 character 17: ['route_id'] is better written in dot
notation.

routeCount[i]["route_id"] = routeData[i]["id"];

Problem at line 10 character 44: ['id'] is better written in dot
notation.

routeCount[i]["route_id"] = routeData[i]["id"];

Problem at line 11 character 29: ['owned'] is better written in dot
notation.

trackColor = routeData[i]["owned"] ? "#555" : "#888";

Problem at line 13 character 21: ['route_id'] is better written in dot
notation.

if(trainData[j]["route_id"] == i) {

Problem at line 14 character 1: 'new' should not be used as a
statement.

new Dialog().showMessage("test", j+":route match on "+i);

Problem at line 19 character 16: 'new' should not be used as a
statement.

if(train[0]) { new Dialog().showMessage("train",
i+":train="+train.toSource()...

Problem at line 20 character 33: ['c1_y'] is better written in dot
notation.

drawTrack(parseInt(routeData[i]["c1_y"]),

Problem at line 20 character 11: Missing radix parameter.

drawTrack(parseInt(routeData[i]["c1_y"]),

Problem at line 21 character 72: ['c1_x'] is better written in dot
notation.

parseInt(routeData[i]["c1_x"]),

Problem at line 21 character 50: Missing radix parameter.

parseInt(routeData[i]["c1_x"]),

Problem at line 22 character 72: ['c2_y'] is better written in dot
notation.

parseInt(routeData[i]["c2_y"]),

Problem at line 22 character 50: Missing radix parameter.

parseInt(routeData[i]["c2_y"]),

Problem at line 23 character 72: ['c2_x'] is better written in dot
notation.

parseInt(routeData[i]["c2_x"]),

Problem at line 23 character 50: Missing radix parameter.

parseInt(routeData[i]["c2_x"]),

Implied global: Dialog 14,19, drawTrack 20

for(var i = 0; i < routeData.length; i++)

for(var j = 0; j < trainData.length; j++)