You can pass some parameter to a function used as callback in JavaScript.
These two options would look like this:
function firstfunction(callback) {
// code here
callback(arg1, arg2);
}
firstfunction(callbackfunction);Or
function firstfunction(callback) {
// code here
callback();
}
firstfunction(function() {
callbackfunction(arug1, arug2);
});Callback function with parameters in JavaScript Example
HTML example code:- Using the arguments variable like so:
<html>
<body>
<script>
function tryMe (param1, param2) {
alert(param1 + " and " + param2);
}
function callbackTester (callback) {
callback (arguments[1], arguments[2]);
}
callbackTester (tryMe, "Hello", "callback");
</script>
</body>
</html>Output:
Read more: – JavaScript callback function
Do comment on this topic if you have any doubts and suggestions.
Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version
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