If the width is below 767, the previous code will not be effective in jQuery

Challenge: How can I ensure that the code within the if statement only executes when the screen width exceeds 767px, and does not work if it is less than 767px?

Using jQuery:

$(document).ready(function() {
    $(window).resize(function() {
        if ($(document).width() > 767) {
            $('.navigation-hide').hide();

           $("nav").mouseenter(function() {    
               $('.navigation-hide').stop().fadeIn(500);       
           });

           $('nav').mouseleave(function() {    
                $('.navigation-hide').stop().fadeOut(500);         
           });
        }
        else {
            // Do nothing
        }
    });
});

Answer №1

It's not advisable to use JavaScript in this manner.

You have the option to utilize CSS for displaying or hiding elements based on screen size by utilizing media queries.

@media (max-width: 768px) {
  .navigation-hide {
      display: none;
  }
  nav:hover .navigation-hide {
      display: block;
  }
}

To achieve a fade effect, CSS transitions can be utilized.

Take a look at this example on jsFiddle

.navigation-hide {
    position: absolute;
    left: -999em;
    top: 0;
    opacity: 0;
    transition: opacity 0.5s, left 0.5s 0.5s;
}

nav:hover .navigation-hide {
    left: 0;
    opacity: 1;
    transition: opacity 0.5s;
}

Answer №2

To achieve this effect, CSS media queries and transitions should be utilized. You can view an example here.

If you prefer using jQuery, you can refer to the code below:

$(document).ready(callbackReady);
$(window).resize(callbackResize);

var isWidthReady = false;
var callbackReady = function() {
    $("nav").mouseenter(function() {
        if(isWidthReady) {
            $('.navigation-hide').stop().fadeIn(500);     
        }           
    });
    $('nav').mouseleave(function() {
        if(isWidthReady) {
            $('.navigation-hide').stop().fadeOut(500);  
        }
    });
}
var callbackResize = function() {
    if ($(document).width() > 767) {
        $('.navigation-hide').hide();
        isWidthReady = true;
    }
    else {
        isWidthReady = false;
    }
};

Note: Avoid nesting event handlers within recurring events (such as resize()) unless necessary for dynamic element creation or reattaching events.

Answer №3

To handle responsive navigation, incorporate an if statement that checks window.innerWidth!

    $(document).ready(function() {
if(window.innerWidth >= 767){
 $(window).resize(function() { if ($(document).width() > 767) { $('.navigation-hide').hide(); $("nav").mouseenter(function() { $('.navigation-hide').stop().fadeIn(500); }); $('nav').mouseleave(function() { $('.navigation-hide').stop().fadeOut(500); }); } else { break; } }); }});

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