How to disable Modal pop up box - javascript

When a button clicked it shows a modal box. That modal box contains two buttons. OK and Cancel button. When we click on the OK button it shows an alert message box, up to this I got correctly. But I want to disable the modal box when an alert message pop up. I tried lot of methods like
$("modalFileStruct").('disabled', true);
$("#modalFileStruct").fadeOut("slow");
$("#modalFileStruct").addClass("fade");
$("#modalFileStruct").setFocusable(true)
$("#modalFileStruct").css('style','background-color: #000; opacity:1; z-index:1000;');
document.getElementById("modalFileStruct").removeAttribute("tabIndex");
$('#fileStruct').blur();
$("#modalFileStruct").css("position","relative","z-index","99");
$('#modalFileStruct').fadeIn('slow');
$('#modalFileStruct').fadeOut('slow');
But it doesn't satisfy my need. Could anyone help me?
This is my code
$("#modalFileStruct").modal();//This is pop up the modal box
//This is the click function of OK button inside the modal box
function fileInfoClicked(){
alertMessage('Error',"Attribute name contains special characters: " + inps[i],
'error');
return;
}
//Code for alert message box
function alertMessage(title, message, type) {
$.msgBox({
title : title,
content : message,
type : type,
modal : true
});
}

$("#modalFileStruct").modal();//This is pop up the modal box
//This is the click function of OK button inside the modal box
function fileInfoClicked(){
$("#modalFileStruct").modal("toggle");
}

I guess you want the user to force to click OK button instead of closing the modal when user clicks on page. by the way which plugin are you using? In Bootstrap use data-backdrop="static"

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const gstModal=()=>{
g=document.getElementsByClassName("modal-gst")[0];
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If you have an overlay div along with the popup then you can handle the click easily on the overlay div click.
Here is a sample modal popup by using HTML & JS
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I have a javascript function that toggles the show and hide but I briefly see the popup when #2 logic is performed. Here is the js function:
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Thanks
I was just playing around a bit using an 'alert' and when I used the 'click' event, like you have, the alert fired twice: as soon as i clicked - before the button visibly changed value, then again after the button visibly changed value.
I changed 'click' to 'change' and the alert only fired once. Could be the fix?
// changed 'click' to 'change'
$('#<%=RadioButtonListServiceLevel.ClientID%>').change(function () {

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this is my script.
$('.modal').on('hidden.bs.modal', function () {
console.log($(this).find('#form6')[0].reset());
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<script>
$('#confirmDiv').html("Are you sure you want to...");
tb_show("Countdown", "#TB_inline?height=100&width=200&inlineId=confirmDiv");
...
<body>
...
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