继续收到"cannot read property style of null“错误

window.onload = function() {
    var element = document.getElementById('myElement');
    if (element) {
        console.log(element.style);
    } else {
        console.error('Element not found');
    }
};

document.addEventListener('DOMContentLoaded', function() {
    var element = document.getElementById('myElement');
    if (element) {
        console.log(element.style);
    } else {
        console.error('Element not found');
    }
});

var element = document.getElementById('myElement');
if (element) {
    console.log(element.style);
} else {
    console.error('Element not found');
}

fetch('https://api.example.com/data')
    .then(response => response.json())
    .then(data => {
        var element = document.getElementById('myElement');
        if (element) {
            console.log(element.style);
        } else {
            console.error('Element not found');
        }
    })
    .catch(error => console.error('Error:', error));