动态添加textarea值

   
   

    
    window.onload 
    =
     
    function
    (){


    var
     opinput
    =
    document.createElement(
    '
    textarea
    '
    );

opinput.setAttribute(
    '
    id
    '
    , 
    '
    aa
    '
    );


    var
     a 
    =
     document.getElementById(
    '
    a
    '
    );

a.appendChild(opinput);


    var
     i 
    =
     document.getElementById(
    '
    aa
    '
    );

i.innerHTML 
    =
     
    '
    ddd
    '
    ;

}