OSIS-3536 change "var" to "let" + remove console.log
OSIS-3536 change "var" to "let" + remove console.log

uclouvain/OSIS-Louvain,uclouvain/osis,uclouvain/OSIS-Louvain,uclouvain/OSIS-Louvain,uclouvain/osis,uclouvain/osis,uclouvain/osis