问题描述
我正在做一个项目，在该项目中我有一个使用 flex wrap 属性实现的响应式网格.由于我支持 IE9 和更低版本的 Firefox，版本 28 及更低版本，我如何通过 javascript 找出对相同版本的支持.目前我只能通过条件语句识别 IE9 浏览器，但现在有人如何通过 javascript 检测 Firefox 旧版本.
I am working on a project in which I have a responsive grid which I have achieved using flex wrap property. Since I am supporting IE9 and lower versions of Firefox, version 28 and below, how do I find out, through javascript, the support for the same. Currently I have only been able to identify IE9 browser through conditional statement but does anyone now how to detect for Firefox older versions through javascript.
推荐答案
我发现这是最简单的方法:
I found that this is the simplest method:
var d = document.documentElement.style
if (('flexWrap' in d) || ('WebkitFlexWrap' in d) || ('msFlexWrap' in d)){
alert('ok');
}
我也试过 hasOwnProperty 但它在 IE 和 FF 中不起作用.那么，当您只有 3 行 js 时，为什么还要使用 40 KB 的 Modernizr 呢?
I tried hasOwnProperty too but it doesn't work in IE and FF.So why use 40 KB of modernizr when you can have just 3 lines of js ?
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