Javascript in fastn function
Here is an example of how you can integrate JavaScript in fastn functions.
show_alert defined in functions.js as follows:functions.js
function show_alert(a) { alert(a); }
Lang:
js
Now, let’s say we want to call this function when a user clicks a text in an
fastn component. Here’s how we can achieve this in index.ftd:index.ftd-- ftd.text: Click here to print name in alert! $on-click$: $call-js-fn(a = FifthTry Alert) -- void call-js-fn(a): string a: js: functions.ftd show_alert(a)
Lang:
ftd
In the above example, when the user clicks the text component, the
call-js-fn function is called, passing the FifthTry value to the argument a. This function, then, references functions.js by using the js attribute and calls the show_alert function.Output
Click here to print name in alert!
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