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Hallo Ich versuche, die Fortschrittsanzeige zu animieren, wenn es im Ansichtsfenster erscheint. Es sollte die Breite und die Anzahl der Zahlen animieren. Ich benutze animateProgressBar Funktion, um die Breite und die Zahl zu animieren, und ich rufe es auf Wegpunkt. Ich benutze jeweils eine jquery, um diese Funktion für jedes passende Element auszuführen. Aber es funktioniert nichtAnimation auf dem gleichen Element
function animateProgressBar(){
var bar = $('.progress-bar');
var value = $('.progress-bar').find('.count');
bar.prop('Counter', 0).animate({
Counter: parseFloat(bar.attr('aria-valuenow'))
},
{
duration: 3000,
easing: 'swing',
step: function(now) {
var number = parseFloat(Math.round(now * 100)/100).toFixed(2);
bar.css({ 'width': number + '%' });
value.text(number + '%');
}
});
}
$('.progress-bar').each(function() {
var waypoint = new Waypoint({
element: this,
handler: function(direction) {
animateProgressBar();
}
})
});/**
* Progress bars with centered text
*/
.progress {
position: relative;
}
.progress span {
position: absolute;
display: block;
width: 100%;
color: black;
}
.progress .progress-bar {
transition: unset;
}<link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0-beta/css/bootstrap.css" rel="stylesheet"/>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/waypoints/4.0.1/jquery.waypoints.js"></script>
<div class="progress">
<div class="progress-bar" role="progressbar" aria-valuenow="60" aria-valuemin="0" aria-valuemax="100">
<span class="count"></span>
</div>
</div>
<div>
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</div>
<div class="progress">
<div class="progress-bar" role="progressbar" aria-valuenow="60" aria-valuemin="0" aria-valuemax="100">
<span class="count"></span>
</div>
</div>
<div class="progress">
<div class="progress-bar" role="progressbar" aria-valuenow="10" aria-valuemin="0" aria-valuemax="100">
<span class="count"></span>
</div>
</div>
<div class="progress">
<div class="progress-bar" role="progressbar" aria-valuenow="30" aria-valuemin="0" aria-valuemax="100">
<span class="count"></span>
</div>
</div>