class element{
    constructor(techno,tag) {
        this.tag = tag
        this.techno = techno
    }

    charger_depuis_bdd(){
        fetch("../bdd/arbre.json").then((data,r)=>{
            let props = data["technologies"][this.techno][this.tag]
            this.cout = props.cout
            this.boost = props.boost
        })
    }

}