Prevent form submission on Enter key press

Question

I have a form with two text boxes, one select drop down and one radio button. When the enter key is pressed, I want

Answer 1

native js (fetch api)

document.onload = (() => {
    alert('ok');
    let keyListener = document.querySelector('#searchUser');
    // 
    keyListener.addEventListener('keypress', (e) => {
        if(e.keyCode === 13){
            let username = e.target.value;
            console.log(`username = ${username}`);
            fetch(`https://api.github.com/users/${username}`,{
                data: {
                    client_id: 'xxx',
                    client_secret: 'xxx'
                }
            })
            .then((user)=>{
                console.log(`user = ${user}`);
            });
            fetch(`https://api.github.com/users/${username}/repos`,{
                data: {
                    client_id: 'xxx',
                    client_secret: 'xxx'
                }
            })
            .then((repos)=>{
                console.log(`repos = ${repos}`);
                for (let i = 0; i < repos.length; i++) {
                     console.log(`repos ${i}  = ${repos[i]}`);
                }
            });
        }else{
            console.log(`e.keyCode = ${e.keyCode}`);
        }
    });
})();