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profitlabs
profitlabs
posted in Uncategorized

How to add/append random number to url hidden field via javascript

This topic was mentioned in other threads but they were either incomplete or incrorrect. Here is the right way to add a random number to a hidden field after form is submitted. Add the following script to <script type="text/javascript"> document.addEventListener(“DOMContentLoaded”, function(event) { var randomNum = ‘’; randomNum += Math.round(Math.random() * (100000 - 10000) + 10000); var elem = document.getElementById(“external_id”).value = randomNum; var domain = window.location.host + window.location.pathname; document.getElementById(“external_id”).value = randomNum; }); </script> Add a hidden field in your form and give it an id name In the javascript replace the 2 instances that say “external_id” to your hidden field name The script will generate a number between 10,000 - 100,000

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profitlabs
3 years ago

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