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The following works perfectly fine...displays an alert every 10 seconds

<script type='text/javascript'>
    function letsTest(){
        alert("it works");
    }
    var uptimeId = window.setInterval(letsTest, 10000);
</script>

But when I place my letsTest function in a file called javaScript.js, it no longer works.

main page:

<script src='lib/javaScript.js' type='text/javascript'>
    var uptimeId = window.setInterval(letsTest, 10000);
</script>

javaScript.js

function letsTest(){
    alert("it works");
}

I verified a thousand times over the path and spelling. I use my javaScript.js in other places as well. Is it possible to set an interval with a function from another file?

The following works perfectly fine...displays an alert every 10 seconds

<script type='text/javascript'>
    function letsTest(){
        alert("it works");
    }
    var uptimeId = window.setInterval(letsTest, 10000);
</script>

But when I place my letsTest function in a file called javaScript.js, it no longer works.

main page:

<script src='lib/javaScript.js' type='text/javascript'>
    var uptimeId = window.setInterval(letsTest, 10000);
</script>

javaScript.js

function letsTest(){
    alert("it works");
}

I verified a thousand times over the path and spelling. I use my javaScript.js in other places as well. Is it possible to set an interval with a function from another file?

  • javascript
  • setinterval
Share Improve this question asked Oct 17, 2013 at 19:17 user2537383user2537383 3158 silver badges19 bronze badges
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2 Answers 2

Reset to default 13 
<script src='lib/javsScript.js' type='text/javascript'>
    var uptimeId = window.setInterval(letsTest, 10000);
</script>

You cannot provide both a src and a body for a <script> tag. One or the other.

You'll have to use two <script> tags:

<script src='lib/javaScript.js'></script>

<script>
   var uptimeId = setInterval(letsTest, 10000);
</script>

Actually the reason behind it may be ,that the variable uptimeId is not accessible inside the file javascript.js. Please let me know if I am wrong.

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