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Javascript 代码在IE8中不起作用,但在IE9中起作用_Javascript_Jquery - Fatal编程技术网

Javascript 代码在IE8中不起作用,但在IE9中起作用

Javascript 代码在IE8中不起作用,但在IE9中起作用,javascript,jquery,Javascript,Jquery,这是我的代码: var allSsnTinControls = $("td[controlnamespace='EbixExchange.Web.UI.SocialSecurityNumberControl']").children("span[controlnamespace='EbixExchange.Web.UI.SocialSecurityNumberControl']"); var officerSSN = $(allSsnTinControls).filter(fu

这是我的代码:

    var allSsnTinControls = $("td[controlnamespace='EbixExchange.Web.UI.SocialSecurityNumberControl']").children("span[controlnamespace='EbixExchange.Web.UI.SocialSecurityNumberControl']");

    var officerSSN = $(allSsnTinControls).filter(function () { return $(this).is('[readonly="true"]'); });

    allSsnTinControls = officerSSN;

    if (allSsnTinControls.length > 0) 

在IE9中,长度将大于0,但在IE8中,它是未定义的

您正在运行哪个版本的jQuery?等等,为什么我们要在2015年针对IE8测试jQuery?你是如何访问IE8的?我必须安装Windows XP…感谢您的回复。