I'm looking to save an array value in a separate JavaScript file and then use an internal script to create a loop that displays the values of the array stored in the external file. Here's my JavaScript file:
var Arr = new Array("one", "two", "three")
This is my internal script:
<script src="test.js" datatype "text/javascript"></script>
<script type="text/javascript">
for (x in Arr)
{
document.write("<br />"+ Arr[x]);
}
</script>
A more organized approach would be to retrieve those values using AJAX instead of relying on document.write. Additionally, the correct syntax for specifying the datatype should be type="text/javascript" rather than datatype "text/javascript".
Looking at the Arr variable in test.js function
For example, test.js:
(function() {
var Arr = new Array("one", "two", "three");
});
or
function fn() {
var Arr = new Array("one", "two", "three");
};
Then in the HTML file:
<script src="test.js" type="text/javascript"></script>
<script type="text/javascript">
console.log(Arr); // Displays Undefined
</script>
Alternatively, for test.js:
var Arr = new Array("one", "two", "three");
In the HTML file:
<script src="test.js" type="text/javascript"></script>
<script type="text/javascript">
console.log(Arr); // Outputs ["one", "two", "three"]
</script>
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