Gradually enlarging the size of the font as time progresses

Question

Gradually enlarging the size of the font as time progresses

$( "h1" ).hover(
    function(){
        for(var i=0;i<255;i++){

            setTimeout(function(){$("#fat").css("font-size", (i + 12) + "pt")},200);
        }
    }, function(){$("#fat").delay(200).css("font-size","12pt")}
    );

My goal is to gradually increase the font size of an element when the mouse hovers over it, but currently there seems to be a delay countdown before the font size abruptly jumps to its largest value without any smooth growth effect.

I came across a similar issue in another discussion (Here) and suspect it may be relevant, although I'm still unsure about how to address it.

javascript jquery html css

Answer 1

Answer №1

To optimize your code, avoid using a for loop and instead implement the logic within an anonymous function. Utilize setInterval and clear the interval when hovering out or reaching a certain limit.

(function(){
   var timer = null;
   $("h1").hover(function(){
      timer = setInterval(function(){
         var element = $("fat");
         var size = parseInt(element.css("font-size"));
         if(size>=255){ 
            clearInterval(timer); 
            return;
         }
         element.css("font-size",(size+1)+"pt");
      },200);
   },function(){
      clearInterval(timer);
      $("#fat").delay(200).css("font-size","12pt");
   });
})();

Additionally, to fix the issues with the for loop, consider using a closure and adjusting the timeout amount dynamically in each iteration to ensure consistent increases at specific intervals.

Answer 2

To optimize your code, avoid using a for loop and instead implement the logic within an anonymous function. Utilize setInterval and clear the interval when hovering out or reaching a certain limit.

(function(){
   var timer = null;
   $("h1").hover(function(){
      timer = setInterval(function(){
         var element = $("fat");
         var size = parseInt(element.css("font-size"));
         if(size>=255){ 
            clearInterval(timer); 
            return;
         }
         element.css("font-size",(size+1)+"pt");
      },200);
   },function(){
      clearInterval(timer);
      $("#fat").delay(200).css("font-size","12pt");
   });
})();

Additionally, to fix the issues with the for loop, consider using a closure and adjusting the timeout amount dynamically in each iteration to ensure consistent increases at specific intervals.

Answer 3

Answer №2

Enhancing with jQuery

If you're looking for a different way to achieve the same effect, consider using jQuery to create a smooth animation on hover:

$('#zoomIt').hover(function(){
    $(this).animate({"font-size":"4em"}, 1000); //Increase font size on hover
}, function(){
    $(this).animate({"font-size":"2em"}, 1000); //Decrease font size on hover out
});

Check out the demo here

Utilizing CSS Transitions

For a more streamlined approach, utilizing CSS transitions can also achieve the desired result:

h1 {
    transition: font-size 3s ease-in-out;
    font-size: 2em;
}
h1:hover {
    font-size: 4em;
}

Answer 4

Enhancing with jQuery

If you're looking for a different way to achieve the same effect, consider using jQuery to create a smooth animation on hover:

$('#zoomIt').hover(function(){
    $(this).animate({"font-size":"4em"}, 1000); //Increase font size on hover
}, function(){
    $(this).animate({"font-size":"2em"}, 1000); //Decrease font size on hover out
});

Check out the demo here

Utilizing CSS Transitions

For a more streamlined approach, utilizing CSS transitions can also achieve the desired result:

h1 {
    transition: font-size 3s ease-in-out;
    font-size: 2em;
}
h1:hover {
    font-size: 4em;
}

Answer 5

Answer №3

If you want to avoid using javascript, you can still achieve this effect by setting limits on how much an item can grow:

h1 {
    transition: all 10s;
    font-size: 10pt;
}

h1:hover {
    font-size: 100pt;
}

You can customize the timing and size limits according to your preferences.

(Keep in mind that animating font-size may not provide a smooth zoom effect; it could appear 'stepped'. Consider using transform: scale() or zoom() for a better result.)

Answer 6

If you want to avoid using javascript, you can still achieve this effect by setting limits on how much an item can grow:

h1 {
    transition: all 10s;
    font-size: 10pt;
}

h1:hover {
    font-size: 100pt;
}

You can customize the timing and size limits according to your preferences.

(Keep in mind that animating font-size may not provide a smooth zoom effect; it could appear 'stepped'. Consider using transform: scale() or zoom() for a better result.)

Answer 7

Answer №4

HTML

<h1 id="Example">Some Text</h1>

JQuery

$('#Example').hover(function(){
  // alert('here');
  for(var i=0; i<10; i++) {
    setTimeout(function() {
      $('#Example').delay(2000).css({ zoom: i });
    }, 100);
  }
});

$('#Example').mouseout(function() {
  $('#Example').css({ zoom: 0 });
});

View Demo

Answer 8

HTML

<h1 id="Example">Some Text</h1>

JQuery

$('#Example').hover(function(){
  // alert('here');
  for(var i=0; i<10; i++) {
    setTimeout(function() {
      $('#Example').delay(2000).css({ zoom: i });
    }, 100);
  }
});

$('#Example').mouseout(function() {
  $('#Example').css({ zoom: 0 });
});

View Demo

Gradually enlarging the size of the font as time progresses

Answer №1

Answer №2

Enhancing with jQuery

Utilizing CSS Transitions

Answer №3

Answer №4

HTML

JQuery

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