问new函数()和new函数的区别

EN

 class GitHub{
    constructor(){
        this.clientID='6ea9567c0f22d48fb20e';
        this.clientSecret='a4ec6e6b2040ddd5d197079014f8a4e0fb7fe839';
        this.repos_count=5;
        this.repos_sort='created: asc';
    }

    async getUser(user){
        let response = await fetch(`https://api.github.com/users/${user}?clientID=${this.clientID}&clientSecret=${this.clientSecret}`);
        let repoResponse = await fetch(`https://api.github.com/users/${user}/repos?per_page=${this.repos_count}&sort=${this.repos_sort}?clientID=${this.clientID}&clientSecret=${this.clientSecret}`);

        let parsedJson = await response.json();
        let reposJson = await repoResponse.json();

        return {
            data:parsedJson,
            reposJson
        }
    }        
}

const git = new GitHub();