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HomeWeb Front-endHTML Tutorialcss学习之color: window和color: currentColor_html/css_WEB-ITnose

一、易被忽略的属性

  • color: currentColor
  • color: window
  •    看完之后感觉眼前一亮,有的我之前根本没有用过,甚至都不知道有color: currentColor这么个东西,抑制不住内心的好奇立马翻阅资料看了看以上属性的区别。接下来小编就谈谈本人学习之后的理解

      1、color: currentColor

      currentColor关键字的使用值是color属性值的计算值。如果currentColor关键字被应用在 color 属性自身,则相当于是 color: inherit;

       div { border: 1px solid; color: red; }

     

        上述代码将会让div拥有一个红色的边框,这就解释了 border-color 属性的默认值是color属性的值;如果将上述代码中的color属性定义删除,那么边框的颜色将取决于父元素的 color 计算值,因为 color 拥有继承性;

        如果父级元素也没有指定颜色,那它的父级元素就会从父级的父级去继承,直到文档的根结点html标签都还没显示指定一个颜色呢,就用浏览器默认的颜色,例如:

    <!DOCTYPE html><html lang="en"><head>    <meta charset="UTF-8">    <title>Document</title>    <style type="text/css">    .mm{        color:currentColor;    }    </style></head><body>    <div class="box">        <div class="mm">sdfsdfsdf</div>    </div></body></html>

     

     

      看到这里currentColor的作用大概已经了解了,接下来看看currentColor可以怎么用,先看其兼容性,主流浏览器都兼容,IE9以上

      

      用于渐变、用于svg、用于动画等,下面以渐变为例:

     <div class="box"></div> 

    .box{  height:100px;  color: #3CAADB;  background-image: linear-gradient(to right, #fff, currentColor 100%);}

       效果如图所示:

      2、color: window  

    .mm{    padding: 10px;line-height: 30px;display: inline-block;color:window;background-color: red}

     

      系统默认设置文本颜色:(无)也就是白色

      效果如下:

     

      如图所示color:window取得是系统默认的颜色,该颜色是根据系统默认设置文本颜色的改变而改变的  

      结束语:不知不觉已经工作了一年多了,这一年来从一名什么都不知道的小白,变成一名稍微知道一点皮毛的小白,想想也真是心酸。看着技术大牛们时不时的分享一些自己学 习的经验,我只能各种顶礼膜拜。今天鼓起勇气跳出来分享一些平时工作中遇到的问题和总结,内心还是十分忐忑不安的...第一次写文章写的不好望各位大神轻拍,写的不对的不好的可以留言指出,或者加本人QQ群519875573,希望大家共同交流进步

     

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