Is there a way to extract an array containing
["13139","13141", "13140"]{
"13139": [tx[0]],
"13141": [tx[1]],
"13140": [tx[2]]
}
I attempted to use JSON.parse but encountered a TokenError. Any suggestions are greatly appreciated. Thank you.
let car = {
make: 'Toyota',
model: 'Camry',
year: 2021
};
console.log(Object.keys(car));
// expected output: Array ["make", "model", "year"]
Object.keys() https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/keys
The data you provided is not in valid JSON format, which means we need to take a different approach than just using JSON.parse(). To extract the values enclosed in quotes, we can use a regular expression like this:
const input = `{"13139":[tx[0]],"13141":[tx[1]],"13140":[tx[2]]}`
input.match(/"(.*?)"/g)
// Output:
[""13139"", ""13141"", ""13140""]
Here are the steps to follow:
const obj = {"13139":[tx[0]],"13141":[tx[1]],"13140":[tx[2]]}
for of like soconst arrayFromItems = []
for (let item of Object.keys(obj)) {
arrayFromItems.push(item)
}
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