change form field value with javascript - Javascript DOM HTML Element

Javascript examples for DOM HTML Element:Input Text

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Description

change form field value with javascript

Demo Code

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<html>
   <head> 
      <meta name="viewport" content="width=device-width, initial-scale=1"> 
      <script type="text/javascript">
    window.onload=( function() {//w  w  w. j a va2 s.  c o m
form = document.forms[0];
function up(d,mul)
{
    console.log(d);
    form[d].value=mul;
}
up('field1','Hello field 1');
up('field2','Hello field 2');

    });

      </script> 
   </head> 
   <body> 
      <form method="post" action="doesnt_matter"> 
         <input type="text" name="field1"> 
         <input type="text" name="field2"> 
      </form>  
   </body>
</html>

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