3
所以我的控制台给我这个消息 -jQuery的与Tampermonkey
The page at https://en.wikibooks.org/wiki/Vehicle_Identification_Numbers_(VIN_codes)/GM/VIN_Codes ran insecure content from http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js.
jquerified: true
ERROR: Execution of script 'GMVinCodeScraper' failed! $ is not defined
ReferenceError: $ is not defined
at getGMCodes (eval at <anonymous> (eval at eventHandler (eval at <anonymous> (chrome-extension://dhdgffkkebhmkfjojejmpbldmpobfkfo/content.js:57:21))))
at Function.eval (eval at <anonymous> (eval at eventHandler (eval at <anonymous> (chrome-extension://dhdgffkkebhmkfjojejmpbldmpobfkfo/content.js:57:21))))
at N (eval at eventHandler (eval at <anonymous> (chrome-extension://dhdgffkkebhmkfjojejmpbldmpobfkfo/content.js:57:21)))
at l (eval at eventHandler (eval at <anonymous> (chrome-extension://dhdgffkkebhmkfjojejmpbldmpobfkfo/content.js:57:21)))
at chromeEmu.extension.onRequest.addListener.Z (eval at eventHandler (eval at <anonymous> (chrome-extension://dhdgffkkebhmkfjojejmpbldmpobfkfo/content.js:57:21)))
at W (eval at eventHandler (eval at <anonymous> (chrome-extension://dhdgffkkebhmkfjojejmpbldmpobfkfo/content.js:57:21)))
在我userscript,我正在运行在页面上自动包含的jQuery的功能,似乎jQuery的已经被加载,因为我可以看到一个脚本标记与jQuery URL作为src属性。
供参考的功能是在这里 -
function jquerify(jquerified){
if(!(window.JQuery && window.Jquery.fn.jquery == '1')){
var s = document.createElement('script');
s.setAttribute('src','http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js');
s.setAttribute('type','text/javascript');
document.getElementsByTagName('head')[0].appendChild(s);
jquerified = true;
console.log("jquerified: " + jquerified);
return jquerified;
}
}
jquerify(false);
所以,不知道为什么$不会被定义。任何想法为什么?
UPDATE-
使用@require解决了这个问题。
可能的复制http://stackoverflow.com/questions/2507802/why-is-undefined-when-i-try-to-use-jquery-in解决这个问题-greasemonkey?rq = 1 – jmishra 2012-08-07 18:48:20
@ ladiesMan217,这不是重复的,但反过来也是一样的问题(把jQuery放在一个范围内,但试图在另一个范围内使用它)。 – 2012-08-07 19:07:30
什么是@require? – 2017-10-09 19:08:10