How to cut the string aa_bb_cc into an array: ["aa", "bb_cc"]?

how do I cut the string aa_bb_cc into an array: ["aa", "bb_cc"]?

Mar.03,2021

let str = 'aa_bb_cc';
let arr = str.split('_',1);
str = str.slice(str.indexOf('_')+1);
arr.push(str);
console.log(arr);
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b35a1f-34377.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b35a1f-34377.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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