Question

我使用望远镜创建了一个网站但是在加载时我在浏览器控制台中收到了错误消息。如何解决此错误。

Exception in template helper: TypeError: Cannot read property 'undefined' of undefined
    at Object.Template.avatar.helpers.size (http://localhost:3000/packages/utilities_avatar.js?76304dc56cbb0aaaef4d60c3d930750cea5ac835:96:37)
    at bindDataContext (http://localhost:3000/packages/blaze.js?a5c324925e5f6e800a4c618d71caf2848b53bf51:2880:16)
    at Blaze._wrapCatchingExceptions (http://localhost:3000/packages/blaze.js?a5c324925e5f6e800a4c618d71caf2848b53bf51:1651:16)
    at http://localhost:3000/packages/blaze.js?a5c324925e5f6e800a4c618d71caf2848b53bf51:2928:66
    at Function.Template._withTemplateInstanceFunc (http://localhost:3000/packages/blaze.js?a5c324925e5f6e800a4c618d71caf2848b53bf51:3476:12)
    at wrapHelper (http://localhost:3000/packages/blaze.js?a5c324925e5f6e800a4c618d71caf2848b53bf51:2927:27)
    at Spacebars.call (http://localhost:3000/packages/spacebars.js?7bafbe05ec09b6bbb6a3b276537e4995ab298a2f:172:18)
    at Spacebars.mustacheImpl (http://localhost:3000/packages/spacebars.js?7bafbe05ec09b6bbb6a3b276537e4995ab298a2f:109:25)
    at Object.Spacebars.mustache (http://localhost:3000/packages/spacebars.js?7bafbe05ec09b6bbb6a3b276537e4995ab298a2f:113:39)
    at Template.avatar.HTML.DIV.class (http://localhost:3000/packages/utilities_avatar.js?76304dc56cbb0aaaef4d60c3d930750cea5ac835:48:82)

Answer 1

以下是您的问题的答案：Stack-link 阅读有关保护，由于缺少变量/键/方法而出现的问题，因为它尚未加载。它主要是因为它被加载但是除非它来到webbrowser你接收到这个错误信息。

Answer 2

继续浏览您的应用并查看模板的名称和助手，事件。可能Template.yourtemplate.helper或Template.yourtemplate.event与您的HTML模板名称

不相同

`模板助手中的异常：TypeError：无法读取属性＆＃39; undefined＆＃39;未定义的

2 个答案: