str to list nodejs code example

Example 1: javascript string to array

const str = 'Hello!';

const arr = Array.from(str);
//[ 'H', 'e', 'l', 'l', 'o', '!' ]

Example 2: convert matrix string to matrix javascript

string = '[[1, 2], [3, 4], [5, 6]]'

string = JSON.parse(string)