Javascript 对数滑块返回NaN
我正在努力学习这个例子 以下是我使用的代码:Javascript 对数滑块返回NaN,javascript,algorithm,slider,logarithm,Javascript,Algorithm,Slider,Logarithm,我正在努力学习这个例子 以下是我使用的代码: Timeline._MIN_PER_MINUTE = 1; Timeline._MIN_PER_HOUR = Timeline._MIN_PER_MINUTE * 60.0; Timeline._MIN_PER_DAY = Timeline._MIN_PER_HOUR * 24.0; Timeline._MIN_PER_WEEK = Timeline._MIN_PER_DAY * 7.0; Timeline._MIN_PER_MONTH = Time
Timeline._MIN_PER_MINUTE = 1;
Timeline._MIN_PER_HOUR = Timeline._MIN_PER_MINUTE * 60.0;
Timeline._MIN_PER_DAY = Timeline._MIN_PER_HOUR * 24.0;
Timeline._MIN_PER_WEEK = Timeline._MIN_PER_DAY * 7.0;
Timeline._MIN_PER_MONTH = Timeline._MIN_PER_WEEK * 4.0;
Timeline._MIN_PER_YEAR = Timeline._MIN_PER_MONTH * 12.0;
var scale_down = 0.00001;
var scale_up = 100000;
Timeline._SLIDER_MIN = 0;
Timeline._SlIDER_MAX = 100;
Timeline._SLIDER_STEP = 1;
Timeline._scale = function (value) {
var minIn = Timeline._SLIDER_MIN;
var maxIn = Timeline._SLIDER_MAX;
var minOut = Math.log(Timeline._MIN_PER_MINUTE);
var maxOut = Math.log(Timeline._MIN_PER_YEAR);
var scale = (maxOut - minOut) / (maxIn - minIn);
return Math.exp(minOut + scale * (value - minIn));
};
Timeline._sliderChangedHandler = function(id){
var val = Timeline._scale($('#scale_slider' + id).val());
alert(val);
};
由于某种原因,我得到了NaN。
有人知道我做错了什么吗?用这个
var val=时间线。_scale(parseInt($('#scale_slider'+id).val(),10)) 警报($('#scale_slider'+id).val())并查看您得到的值。我得到的值范围为0到100。我知道了您正在定义slider_MAX并使用slider_MAX(注意大写字母L)