Amend Modal text at runtime

https://developer.mozilla.org/fr/docs/Web/CSS/width#fit-content

so replace:

.modal-content {
  position: relative;
  background-color: #fefefe;
  margin: auto;
  padding: 0;
  border: 1px solid #888;
 width: 80%;


by :

.modal-content {
  position: relative;
  background-color: #fefefe;
  margin: auto;
  padding: 0;
  border: 1px solid #888;
 width: fit-content;

Thanks for this.  How do I set the text that appears in the modal box at runtime?

A modal box would probably be better than an Alert, but this seems to work.

...
var currDate = today.getFullYear()+'-'+(today.getMonth()+1)+'-'+today.getDate();
			  console.log(currDate)
			  clearTimeout(timer);
			  var message="Welcome";
			  switch (currDate)
			  {
				case "2020-2-29":
				case "2020-3-1":
				case "2020-3-2":
				case "2020-3-3":
				case "2020-3-4":
				case "2020-3-5":
				case "2020-3-6":
...
      switch (price)
					  {
						case "Research":
							message="Print off your local .";
							break;	
						case "Results":
							message="Set a challenge;
....
 alert (message);

function closeAlertBox(){

    alertBox = document.getElementById("alertBox");
    alertClose = document.getElementById("alertClose");
    alertBox.parentNode.removeChild(alertBox);
    alertClose.parentNode.removeChild(alertClose)
	alertBox.style.visibility = "hidden";
    alertClose.style.visibility = "hidden";

}


window.alert = function(msg){

    var id = "alertBox", alertBox, closeId = "alertClose", alertClose;
    alertBox = document.createElement("div");
    document.body.appendChild(alertBox);
    alertBox.id = id;
    alertBox.innerHTML = msg;
    alertClose = document.createElement("div");
    alertClose.id = closeId;
    document.body.appendChild(alertClose);
    alertClose.innerHTML = "x";
    alertBox.appendChild(alertClose);
    alertBox.style.visibility = "visible";
    /*alertClose.style.visibility = "visible";  
	I want the alert to disappear if user presses spin.  Therefore, this close must be invisible.  
	If user closes alert by clicking on x, there will be an error message as the spin button will be trying to 
	close a box that has already been closed.
	*/alertClose.style.visibility = "hidden";
    alertClose.onclick = closeAlertBox;
};

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