How can Javascript specify an additional condition depending on the width of the browser?

Question

JavaScript

How to make a condition in JS be executed only at a certain browser width?

$(window).load(function() {
  $('.nav_slide_button').click(function() {
    $('.pull').slideToggle();
  });
});

<nav class="pull"> 
<ul class="nav navbar-nav navbar-right">
<li><a href="#intro">1-ый пункт</a></li>
<li><a href="#contact">Контакты</a></li>
</ul>
</nav>

@media screen and (max-width:991px) {
  .pull { display: none; }
}

Answer 1

if($(window).width() > 800){
// Any of your code here
}

Answer 2

https://developer.mozilla.org/en-US/docs/Web/API/W...