moving html element from one page to another : I want to move some html code from one page to another page and dont want to retype that line of code again. how would I move it. example 
       
   page1.html

     <div class="container">
         <img src="img/img1.jpg" alt="image">
         <div class="container_para">
            <p>this is image tag</p>
         </div>
     </div>


page2.html 


     <div class="page2">
        <img src="img/img2.jpg" alt="image">
     </div>

how could I move all content of class `container_para` to page2.html using javascript?