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Piblished the December 24, 2019
Today, I need to get the information stored in a cookie to add it to an HTML input. Then, when a user tries to contact me, a hidden field will give me more information on his visit.
It is quite easy to display HTML values in a form input. I will use a text input in this tutorial, but normally I definitely use a “hidden” field.
<input type="text" id="myfield" />
Method 1 : use setAttribute
<input id="field1"> <script> var myvalue = "Hi"; document.getElementById('field1').setAttribute('value', myvalue); </sript>
Here is the output :
Method 2 : use write to output the HTML tag with the input.
<script> var message = 'How are you doing ?'; document.write('<input type="text" value="' + message + '">'); </script>
Which give us :
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