Webtech/Workstudy.js at main · UtkarshBagaria/Webtech · GitHub

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function myfun1(){
    var x=document.getElementById("sub1")
    if (x.style.display !== "none") {
        x.style.display = "none";
      } else {
        x.style.display = "block";
      }
};
function myfun2(){
    var x=document.getElementById("sub2")
    if (x.style.display !== "none") {
        x.style.display = "none";
      } else {
        x.style.display = "block";
      }
};

function myfun3(){
    var x=document.getElementById("sub3")
    if (x.style.display !== "none") {
        x.style.display = "none";
      } else {
        x.style.display = "block";
      }
};

function myfun4(){
    var x=document.getElementById("sub4")
    if (x.style.display !== "none") {
        x.style.display = "none";
      } else {
        x.style.display = "block";
      }
};