+ 1
JavaScript in seperate file or in same file as html
If I want to have a weppage that uses JavaScript on my computer. Does the JavaScript has it own file or can it be in the html- file as well ?
2 Answers
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I'll advice you to external js file and place the link to it just before </body>
The reason I told to use external js file because the maintance is easy
And the reason why I told to put the link to external js file just before </body> because there might comes situation where the script runs before the DOM content is loaded
eg)//below will give error
<!DOCTYPE html>
<html>
<head>
<script>
document.getElementById("para").innerHTML = "hello";
</script>
</head>
<body>
<p id="para"></p>
</body>
</html>
However there is another solution which does not depends on where you put script tag
You can use window.onload or "DOMContentLoaded" event to run the script