Was-Ja,
document.addEventListener( "DOMContentLoaded" , function() {
dMain.innerHTML = `<img width=90 length=90 src="${pic_m1}" />
<img width=90 length=90 src="${pic_m2}" /> <br>
<img width=90 length=90 src=imgs/m1.png />
<img width=90 length=90 src=imgs/m2.png />`;
});