从Firefox的jQuery 1.10.2警告问题

问题描述

离开这个问题可以吗？如何解决它？

解决方案

这是一个已知的问题，报告为版本1.10.2，并已解决为1.11 / 2.1 jQuery里程碑。请参阅提出的拉取请求，以及有关错误跟踪器的报告提交来解决的，看起来像这样：

  this.isDefaultPrevented = src.defaultPrevented || src.defaultPrevented === undefined&& （src.returnValue === false || src.getPreventDefault&& src.getPreventDefault（））？ returnTrue：returnFalse; 
  

I tried to use latest jQuery for my website and I get this warning sign and message from Firefox 24.

Is it fine to leave that problem? How to solve it?

解决方案

This is a known issue, reported for version 1.10.2 and has been resolved for the 1.11/2.1 jQuery milestone. See a proposed pull request here, and the report on the bug tracker here.

To fix this, just use a later version of jQuery, or change this line in event.js from:

this.isDefaultPrevented = ( src.defaultPrevented || src.getPreventDefault && src.getPreventDefault() ) ? returnTrue : returnFalse;

To this line:

this.isDefaultPrevented = src.defaultPrevented ? returnTrue : returnFalse;

Edit: The pull request linked above was never merged, although it did fix the problem. The issue was instead resolved by this commit and looks like this:

this.isDefaultPrevented = src.defaultPrevented || src.defaultPrevented === undefined && ( src.returnValue === false || src.getPreventDefault && src.getPreventDefault() ) ? returnTrue : returnFalse;

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