text: let img_load1 = async () => {
    const response1 = await fetch("./svg/test1_linear_gradient1.svg");
    const code1 = await response1.text();
    document.getElementById("container1").innerHTML = code1;
  }
  
  let img_load2 = async () => {
    const response2 = await fetch("./svg/test2_linear_gradient1.svg");
    const code2 = await response2.text();
    document.getElementById("container2").innerHTML = code2;
  }
  
  let main = () => {
    img_load1();
    img_load2();
  }
  
  main();