JavaScript callback functions not executed
0
I just started learning about callback functions. Unfortunately I can't make this altered sample-code work.
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready( function() {
$(".closebtn").click(function(){
function1(someVariable, function() {
function2(someOtherVariable);
});
});
function function1(param, callback) {
alert("Erste Funktion");
callback();
}
function function2(param) {
alert("Zweite Funktion");
}
})
</script>
When I click on the button nothing happens. Can anyone help?
javascript callback
asked Nov 21 '18 at 15:26
user838531user838531
13419
add a comment |
0
I just started learning about callback functions. Unfortunately I can't make this altered sample-code work.
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready( function() {
$(".closebtn").click(function(){
function1(someVariable, function() {
function2(someOtherVariable);
});
});
function function1(param, callback) {
alert("Erste Funktion");
callback();
}
function function2(param) {
alert("Zweite Funktion");
}
})
</script>
When I click on the button nothing happens. Can anyone help?
javascript callback
asked Nov 21 '18 at 15:26
user838531user838531
13419
Add a button with the classclosebtnand initialising the variable, this code works. What error are you getting?
– George
Nov 21 '18 at 15:29
1
You don't show the button so we can only guess that the button does not have the class name closebtn. Maybe you meant the id #closebtn? You should also get some errors since someVariable and someOtherVariable are undefined in the code shown.
– Shilly
Nov 21 '18 at 15:29
1
We'd need to see a more complete example. Fundamentally, you're passing the callback intofunction1correctly and calling it correctly. Please update your question with a Minimal, Complete, and Verifiable example demonstrating the problem, ideally a runnable one using Stack Snippets (the[<>]toolbar button; here's how to do one).
– T.J. Crowder
Nov 21 '18 at 15:29
add a comment |
0
0
0
I just started learning about callback functions. Unfortunately I can't make this altered sample-code work.
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready( function() {
$(".closebtn").click(function(){
function1(someVariable, function() {
function2(someOtherVariable);
});
});
function function1(param, callback) {
alert("Erste Funktion");
callback();
}
function function2(param) {
alert("Zweite Funktion");
}
})
</script>
When I click on the button nothing happens. Can anyone help?
javascript callback
asked Nov 21 '18 at 15:26
user838531user838531
13419
I just started learning about callback functions. Unfortunately I can't make this altered sample-code work.
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready( function() {
$(".closebtn").click(function(){
function1(someVariable, function() {
function2(someOtherVariable);
});
});
function function1(param, callback) {
alert("Erste Funktion");
callback();
}
function function2(param) {
alert("Zweite Funktion");
}
})
</script>
When I click on the button nothing happens. Can anyone help?
javascript callback
javascript callback
asked Nov 21 '18 at 15:26
user838531user838531
13419
asked Nov 21 '18 at 15:26
user838531user838531
13419
asked Nov 21 '18 at 15:26
user838531user838531
13419
asked Nov 21 '18 at 15:26
user838531user838531
13419
asked Nov 21 '18 at 15:26
user838531user838531
13419
13419
Add a button with the classclosebtnand initialising the variable, this code works. What error are you getting?
– George
Nov 21 '18 at 15:29
1
You don't show the button so we can only guess that the button does not have the class name closebtn. Maybe you meant the id #closebtn? You should also get some errors since someVariable and someOtherVariable are undefined in the code shown.
– Shilly
Nov 21 '18 at 15:29
1
We'd need to see a more complete example. Fundamentally, you're passing the callback intofunction1correctly and calling it correctly. Please update your question with a Minimal, Complete, and Verifiable example demonstrating the problem, ideally a runnable one using Stack Snippets (the[<>]toolbar button; here's how to do one).
– T.J. Crowder
Nov 21 '18 at 15:29
add a comment |
Add a button with the classclosebtnand initialising the variable, this code works. What error are you getting?
– George
Nov 21 '18 at 15:29
1
You don't show the button so we can only guess that the button does not have the class name closebtn. Maybe you meant the id #closebtn? You should also get some errors since someVariable and someOtherVariable are undefined in the code shown.
– Shilly
Nov 21 '18 at 15:29
1
We'd need to see a more complete example. Fundamentally, you're passing the callback intofunction1correctly and calling it correctly. Please update your question with a Minimal, Complete, and Verifiable example demonstrating the problem, ideally a runnable one using Stack Snippets (the[<>]toolbar button; here's how to do one).
– T.J. Crowder
Nov 21 '18 at 15:29
Add a button with the class
closebtn and initialising the variable, this code works. What error are you getting?– George
Nov 21 '18 at 15:29
Add a button with the class
closebtn and initialising the variable, this code works. What error are you getting?– George
Nov 21 '18 at 15:29
1
1
You don't show the button so we can only guess that the button does not have the class name closebtn. Maybe you meant the id #closebtn? You should also get some errors since someVariable and someOtherVariable are undefined in the code shown.
– Shilly
Nov 21 '18 at 15:29
You don't show the button so we can only guess that the button does not have the class name closebtn. Maybe you meant the id #closebtn? You should also get some errors since someVariable and someOtherVariable are undefined in the code shown.
– Shilly
Nov 21 '18 at 15:29
1
1
We'd need to see a more complete example. Fundamentally, you're passing the callback into
function1 correctly and calling it correctly. Please update your question with a Minimal, Complete, and Verifiable example demonstrating the problem, ideally a runnable one using Stack Snippets (the [<>] toolbar button; here's how to do one).– T.J. Crowder
Nov 21 '18 at 15:29
We'd need to see a more complete example. Fundamentally, you're passing the callback into
function1 correctly and calling it correctly. Please update your question with a Minimal, Complete, and Verifiable example demonstrating the problem, ideally a runnable one using Stack Snippets (the [<>] toolbar button; here's how to do one).– T.J. Crowder
Nov 21 '18 at 15:29
add a comment |
1 Answer
1
active
oldest
votes
1
Your example works for me. Let me know what you think:
// these need to be defined
var someVariable = 'example value';
var someOtherVariable = 'example value';
$(document).ready(function() {
$(".closebtn").click(function() {
function1(someVariable, function() {
function2(someOtherVariable);
});
});
function function1(param, callback) {
console.log("Erste Funktion");
callback();
}
function function2(param) {
console.log("Zweite Funktion");
}
})<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<button class="closebtn">Close</button>answered Nov 21 '18 at 15:58
Rico KahlerRico Kahler
4,81332335
yes, it works, it was necessary to declare the variables. thank you!
– user838531
Nov 22 '18 at 10:05
add a comment |
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1 Answer
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oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
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active
oldest
votes
1
Your example works for me. Let me know what you think:
// these need to be defined
var someVariable = 'example value';
var someOtherVariable = 'example value';
$(document).ready(function() {
$(".closebtn").click(function() {
function1(someVariable, function() {
function2(someOtherVariable);
});
});
function function1(param, callback) {
console.log("Erste Funktion");
callback();
}
function function2(param) {
console.log("Zweite Funktion");
}
})<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<button class="closebtn">Close</button>answered Nov 21 '18 at 15:58
Rico KahlerRico Kahler
4,81332335
yes, it works, it was necessary to declare the variables. thank you!
– user838531
Nov 22 '18 at 10:05
add a comment |
1
Your example works for me. Let me know what you think:
// these need to be defined
var someVariable = 'example value';
var someOtherVariable = 'example value';
$(document).ready(function() {
$(".closebtn").click(function() {
function1(someVariable, function() {
function2(someOtherVariable);
});
});
function function1(param, callback) {
console.log("Erste Funktion");
callback();
}
function function2(param) {
console.log("Zweite Funktion");
}
})<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<button class="closebtn">Close</button>answered Nov 21 '18 at 15:58
Rico KahlerRico Kahler
4,81332335
yes, it works, it was necessary to declare the variables. thank you!
– user838531
Nov 22 '18 at 10:05
add a comment |
1
1
1
Your example works for me. Let me know what you think:
// these need to be defined
var someVariable = 'example value';
var someOtherVariable = 'example value';
$(document).ready(function() {
$(".closebtn").click(function() {
function1(someVariable, function() {
function2(someOtherVariable);
});
});
function function1(param, callback) {
console.log("Erste Funktion");
callback();
}
function function2(param) {
console.log("Zweite Funktion");
}
})<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<button class="closebtn">Close</button>answered Nov 21 '18 at 15:58
Rico KahlerRico Kahler
4,81332335
Your example works for me. Let me know what you think:
// these need to be defined
var someVariable = 'example value';
var someOtherVariable = 'example value';
$(document).ready(function() {
$(".closebtn").click(function() {
function1(someVariable, function() {
function2(someOtherVariable);
});
});
function function1(param, callback) {
console.log("Erste Funktion");
callback();
}
function function2(param) {
console.log("Zweite Funktion");
}
})<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<button class="closebtn">Close</button>// these need to be defined
var someVariable = 'example value';
var someOtherVariable = 'example value';
$(document).ready(function() {
$(".closebtn").click(function() {
function1(someVariable, function() {
function2(someOtherVariable);
});
});
function function1(param, callback) {
console.log("Erste Funktion");
callback();
}
function function2(param) {
console.log("Zweite Funktion");
}
})<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<button class="closebtn">Close</button>// these need to be defined
var someVariable = 'example value';
var someOtherVariable = 'example value';
$(document).ready(function() {
$(".closebtn").click(function() {
function1(someVariable, function() {
function2(someOtherVariable);
});
});
function function1(param, callback) {
console.log("Erste Funktion");
callback();
}
function function2(param) {
console.log("Zweite Funktion");
}
})<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<button class="closebtn">Close</button>answered Nov 21 '18 at 15:58
Rico KahlerRico Kahler
4,81332335
answered Nov 21 '18 at 15:58
Rico KahlerRico Kahler
4,81332335
answered Nov 21 '18 at 15:58
Rico KahlerRico Kahler
4,81332335
answered Nov 21 '18 at 15:58
Rico KahlerRico Kahler
4,81332335
4,81332335
yes, it works, it was necessary to declare the variables. thank you!
– user838531
Nov 22 '18 at 10:05
add a comment |
yes, it works, it was necessary to declare the variables. thank you!
– user838531
Nov 22 '18 at 10:05
yes, it works, it was necessary to declare the variables. thank you!
– user838531
Nov 22 '18 at 10:05
yes, it works, it was necessary to declare the variables. thank you!
– user838531
Nov 22 '18 at 10:05
add a comment |
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Add a button with the class
closebtnand initialising the variable, this code works. What error are you getting?– George
Nov 21 '18 at 15:29
1
You don't show the button so we can only guess that the button does not have the class name closebtn. Maybe you meant the id #closebtn? You should also get some errors since someVariable and someOtherVariable are undefined in the code shown.
– Shilly
Nov 21 '18 at 15:29
1
We'd need to see a more complete example. Fundamentally, you're passing the callback into
function1correctly and calling it correctly. Please update your question with a Minimal, Complete, and Verifiable example demonstrating the problem, ideally a runnable one using Stack Snippets (the[<>]toolbar button; here's how to do one).– T.J. Crowder
Nov 21 '18 at 15:29