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Babel includes JSX processing.

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HTML

              
                  <p class="rwdtxt">
    全球有1/4的網站,都是使用WordPress所架設,就連美國白宮官方網站,也是採用WordPress所架設,最主要的原因就在於,WordPress簡易、方便、好操控,同時更助於SEO的優化,以及網路上也有豐富的外掛資源,與佈景主題可使用,就可將WordPress變成購物車、公司官網、活動網站、個人作品網.....,雖然說買佈景很快,但要俢改或加入元素進去時,就相當的麻煩,甚至網站也很肥大,瀏覽速度相當的緩慢,因此這時只有自行開發與設計,才能讓網站方便修改,甚至開啟的速度更快,而開發WordPress佈景一點都不難,也無需了解PHP語法,就能客製化自己的佈景主題來囉
  </p>
  <hr>
  <p>
    全球有1/4的網站,都是使用WordPress所架設,就連美國白宮官方網站,也是採用WordPress所架設,最主要的原因就在於,WordPress簡易、方便、好操控,同時更助於SEO的優化,以及網路上也有豐富的外掛資源,與佈景主題可使用,就可將WordPress變成購物車、公司官網、活動網站、個人作品網.....,雖然說買佈景很快,但要俢改或加入元素進去時,就相當的麻煩,甚至網站也很肥大,瀏覽速度相當的緩慢,因此這時只有自行開發與設計,才能讓網站方便修改,甚至開啟的速度更快,而開發WordPress佈景一點都不難,也無需了解PHP語法,就能客製化自己的佈景主題來囉
  </p>
              
            
!

CSS

              
                html{
		  font-size: 14px;
		}
		.rwdtxt {
		  font-size: 1.2rem;
		  color:green;
		}
		@media (min-width: 600px) and (max-width: 1200px) {
		   .rwdtxt {
		    font-size: calc(1.2rem + (1.3-1.2) * ((100vw - 600px) / (1200 - 600)));
		    color:blue;
		  }
		}
		@media (min-width: 1200px) {
		  .rwdtxt {
		    font-size: 1.3rem;
		    color:red;
		  }
		}
              
            
!

JS

              
                
              
            
!
999px

Console