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// Example of a function that fetches data from an API
function fetchData() {
let response = undefined; // Simulating an undefined response
// This line will throw a TypeError because response is undefined
const data = response.data;
console.log(data);
}
// Call the function to reproduce the bug
fetchData();
How often does it reproduce? Is there a required condition?
fetch(url)
.then(response => {
if (!response.ok) {
throw new Error('Network response was not ok');
}
return response.json();
})
.then(data => {
console.log(data); // Now you can safely access data
})
.catch(error => {
console.error('There was a problem with the fetch operation:', error);
});
What is the expected behavior? Why is that the expected behavior?
v16 is EoL. Additionally, the way this issue is formatted, it's extremely difficult to see what went wrong. afaict this is behaving correctly. You can't access a property of undefined
Version
v16.0.0
Platform
Subsystem
No response
What steps will reproduce the bug?
// Example of a function that fetches data from an API
function fetchData() {
let response = undefined; // Simulating an undefined response
}
// Call the function to reproduce the bug
fetchData();
How often does it reproduce? Is there a required condition?
fetch(url)
.then(response => {
if (!response.ok) {
throw new Error('Network response was not ok');
}
return response.json();
})
.then(data => {
console.log(data); // Now you can safely access data
})
.catch(error => {
console.error('There was a problem with the fetch operation:', error);
});
What is the expected behavior? Why is that the expected behavior?
{
"data": {
"id": 1,
"name": "John Doe",
"email": "john.doe@example.com"
}
}
What do you see instead?
TypeError: Cannot read property 'data' of undefined
Additional information
No response
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