Every time I input {alert(JSON.stringify(cart[0]))} in my react-native application, the result displayed is the complete array of objects as shown below:
[{
"id": 3,
"name": John,
.
.
}]
However, when I try
{alert(JSON.stringify(cart[0].id))}undefined.
Your code snippet includes an object with two nested arrays:
const cart = [
[
{
id: 3,
name: 'John',
// ...
}
],
]
When attempting to access the value of cart[0].id, you are actually referring to the id property of the second array. To extract the desired value, use cart[0][0].id.
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