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TypeScript - convert json text to array variable
0 points
In TypeScript, it is possible to convert JSON text to array variable in the following way.
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function parseArray(json: string): string[] {2
const array: string[] = JSON.parse(json);3
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if (array instanceof Array) {5
return array;6
}7
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throw new Error('Incorrect type!');9
}10
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// Example:12
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const json: string = '[1, 2, 3]';14
const array: string[] = parseArray(json);15
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console.log(array); // [1,2,3]17
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console.log(array[0]); // 119
console.log(array[1]); // 220
console.log(array[2]); // 3Output:
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[ 1, 2, 3 ]2
13
24
3