How to encode base64 in js

base64:
var str_base64 = "CgkJCgkJCQk8Y29uZGl0aW9ucyB0eXBlPSJBTkQiPgoJCQkJCTxzeXNDb25kaXRpb25zIHR5cGU9Inx8Ij4KCQkJCQk8c3lzQ29uZGl0aW9uIG5hbWU9ItDCzsS1tSIgZXhwcmVzc2lvbj0iS0dselRtVjNSRzlqS0NrcElBPT0iLz4KCQkJCQk8c3lzQ29uZGl0aW9uIG5hbWU9IrWxx7C0psDtyMsiIGV4cHJlc3Npb249IktHbHpRM1Z5VlhObGNpZ3BLU0E9Ii8+CgkJCQkJPC9zeXNDb25kaXRpb25zPgoJCQkJPC9jb25kaXRpb25zPgoJCQk=";

[base64.js][1]
var str = Base64.decode(str_base64 ); 
console.log(str);

:(**name**)
//<conditions type="AND">
//    <sysConditions type="||">
//        <sysCondition name="" expression="KGlzTmV3RG9jKCkpIA=="/>
//        <sysCondition name="" expression="KGlzQ3VyVXNlcigpKSA="/>
//    </sysConditions>
//</conditions>

how to solve the garbled problem through js? Thanks

Mar.03,2021

use UTF8 to encode source information


https://github.com/dankogai/j.

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-64f5-1be2f5b-13b7e.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1be2f5b-13b7e.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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