Console.log in function called from another file is not displayed

<script src="hoge1"></script>
<script src="hoge2"></script>

<script src="js/api.js"defer></script>
<script src="js/test.js"defer></script>

class Editor {
    constructor(){
        if(!(this instance of Editor)) return new Editor()
        this.currentToList={item:null, todolist:null, time:null}
        This.wholeToList={};
        this.timer;
        constrained=newEditData()
        
        This.pushStartBtn()
        This.changeInput()
        This.inputFocused()
        This.switchTimer()
        This.tabDelete()
    }
    pushStartBtn(){
        $(document).on("click", ".start", ()=>{
            letitem_group = validationAndDataOrganize($(".item-group"))
            if(!item_group){
                console.error("validationAndDataOrganize return value is missing")
                return;
            }
            console.log(item_group)
            ed.setWholeData(item_group).setCurrentData()
            insert_dom({"dataset":item_group, "edit_process": "new_and_edit"},)
        
            let first_val = Array.from(item_group.values())[0]
            let first_key = Array.from(item_group.keys())[0]
            console.log(first_key, first_val)
            console.log(item_group)
            This.wholeToList=item_group
            This.setToList({item:first_key, 
                                todolist: first_val[0]["todorist"],
                                time: first_val[0]["time"]})
            console.log (this.wholeToList)
        })
    }

function validationAndDataOrganize(jqueryDom){
    let item_group = new Map();
    letitem_group__obj = Array.from (jqueryDom)
    conditions = Array.from(jqueryDom.find(".item")
    let choufuku=items.filter((x, i, self)=>{return self.indexOf(x)!==self.lastIndexOf(x);});
    if(choufuku.length) alert(" items cannot be duplicated."); return false;
        console.trace((items))
    if(items.some(x=>!x)) alert("item required"); return false;
    
    for(let w of item_group__obj){
        let values = [ ];
        let input = Array.from($(w).find('.input'))
        let koumoku=input.shift().value
        let lists = [ ];
        console.log(input)
        let todoListArr = [ ];
        
        
        for (let i in input) {
            if(i%2!==0&i>0){
                let todolist=input[i-1].value
                let time = input [i].value
                console.log (todolist, time)
                //todolist & time validation
                if([todolist, time].length>0&&[todolist, time].length<2){
                    alert("Please complete all forms.");
                    return false;
                } else if ([todolist, time].every(x=>!x)) { // undefined
                    continue;
                } else if(time.length>3) {
                    alert('Study time' must be within 3 digits')
                    return false;
                }
                todoListArr.push(todolist)
                lists.push({"todolist":todolist, "time":time})
                console.log(todoListArr)
            }
        }
        if(todoListArr.length!==[...newSet(todoListArr)].length) {//set deduplication
            alert("Small items cannot be duplicated.");
            console.log(todoListArr)
            return
        }       
        if(lists.length){
            item_group.set(koumoku,lists);
        }
        console.log(item_group)
    }
    return item_group
}