How to add a script in wordpress theme footer dynamically

Question

I wish to create a wordpress plugin to add below script in all pages. So I need to add that script in theme footer. How can I add it in footer.php using plugin?

eg script =

script type="text/javascript" src="sample.js">

also I wish to add it in before body closing tag..

Thank you..

Answer 1

Use wp_enqueue_script to load the script in your themes functions.php file. Else, directly embed the script in your themes footer.php file.