I'm trying to build clock using jQuery Knob.
My clock is working (http://jsfiddle.net/Misiu/9Whck/1/), but right now I'm trying to add some extras to it.
At beginning I want to have all knobs set to 0, then using animate
I want to animate their value to current time and then start normal timer update.
My code looks like this (demo here: http://jsfiddle.net/Misiu/cvQED/81/):
$.when(
$('.h').animate({
value: h
}, {
duration: 1000,
easing: 'swing',
progress: function () {
$(this).val(Math.round(this.value)).trigger('change');
}
}),
$('.m').animate({
value: m
}, {
duration: 1000,
easing: 'swing',
progress: function () {
$(this).val(Math.round(this.value)).trigger('change');
}
}),
$('.s').animate({
value: s
}, {
duration: 1000,
easing: 'swing',
progress: function () {
$(this).val(Math.round(this.value)).trigger('change');
}
})).then(function () {
myDelay();
});
function myDelay() {
var d = new Date(),
s = d.getSeconds(),
m = d.getMinutes(),
h = d.getHours();
$('.h').val(h).trigger("change");
$('.m').val(m).trigger("change");
$('.s').val(s).trigger("change");
setTimeout(myDelay, 1000)
}
In when
I must call animate for every knob separately, but I would like to use data-targetValue
and to have only one animate inside when.
Can this be done?
if you want to use data-targetValue you need to change your js like this
$('.h').data('targetValue', h);//$('.h').attr('targetValue', h);
$('.m').data('targetValue', m);
$('.s').data('targetValue', s);
//...
$.when(
$('.knob').each(function(){//each .knob
$(this).animate({//animate to data targetValue
value: $(this).data('targetValue')
}, {
duration: 1000,
easing: 'swing',
progress: function () {
$(this).val(Math.round(this.value)).trigger('change')
}
});
})
).then(function () {
myDelay();
});
http://jsfiddle.net/cvQED/83/
or without .each
$.when(
$('.knob').animate({
value: 100
}, {
duration: 1000,
easing: 'swing',
progress: function () {
$(this).val(Math.round(this.value/100*$(this).data('targetValue'))).trigger('change')
}
})
).then(function () {
myDelay();
});
来源:https://stackoverflow.com/questions/19988768/jquery-knob-update-value-with-animate