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2014/10/16 ¤W¤È 12:05:06
jquery Programming Glossary: math.powIs there a way to round numbers into a reader friendly format? (e.g. $1.1k) http://stackoverflow.com/questions/2685911/is-there-a-way-to-round-numbers-into-a-reader-friendly-format-e-g-1-1k number decPlaces 2 decimal places 100 3 1000 etc decPlaces Math.pow 10 decPlaces Enumerate number abbreviations var abbrev k m b.. 1 i 0 i Convert array index to 1000 1000000 etc var size Math.pow 10 i 1 3 If the number is bigger or equal do the abbreviation..
http://stackoverflow.com/questions/4443526/jquery-ui-drag-easing-inertia Distance moved Euclidean distance var distance Math.sqrt Math.pow x1 x2 2 Math.pow y1 y2 2 if distance minDistance Momentum.. Euclidean distance var distance Math.sqrt Math.pow x1 x2 2 Math.pow y1 y2 2 if distance minDistance Momentum var lastStepTime..
Looking for jQuery easing functions without using a plugin http://stackoverflow.com/questions/5207301/looking-for-jquery-easing-functions-without-using-a-plugin t d 1 b easeInExpo function x t b c d return t 0 b c Math.pow 2 10 t d 1 b easeOutExpo function x t b c d return t d b c c.. 10 t d 1 b easeOutExpo function x t b c d return t d b c c Math.pow 2 10 t d 1 b easeInOutExpo function x t b c d if t 0 return.. d if t 0 return b if t d return b c if t d 2 1 return c 2 Math.pow 2 10 t 1 b return c 2 Math.pow 2 10 t 2 b easeInCirc function..
http://stackoverflow.com/questions/8316882/what-is-an-easing-function c var s p 4 else var s p 2 Math.PI Math.asin c a return a Math.pow 2 10 t 1 Math.sin t d s 2 Math.PI p b Perhaps somebody else..
How can I detect the distance that the user's mouse has moved? http://stackoverflow.com/questions/8686619/how-can-i-detect-the-distance-that-the-users-mouse-has-moved startingTop 10 startingLeft 22 math Math.round Math.sqrt Math.pow startingTop event.clientY 2 Math.pow startingLeft event.clientX.. Math.sqrt Math.pow startingTop event.clientY 2 Math.pow startingLeft event.clientX 2 'px' 'span' .text 'From your starting..
Is there a way to round numbers into a reader friendly format? (e.g. $1.1k) http://stackoverflow.com/questions/2685911/is-there-a-way-to-round-numbers-into-a-reader-friendly-format-e-g-1-1k Here is a simple function to do it function abbrNum number decPlaces 2 decimal places 100 3 1000 etc decPlaces Math.pow 10 decPlaces Enumerate number abbreviations var abbrev k m b t Go through the array backwards so we do the largest first.. backwards so we do the largest first for var i abbrev.length 1 i 0 i Convert array index to 1000 1000000 etc var size Math.pow 10 i 1 3 If the number is bigger or equal do the abbreviation if size number Here we multiply by decPlaces round and then..
http://stackoverflow.com/questions/4443526/jquery-ui-drag-easing-inertia Math.min dX dMs 1 1 speedY Math.max Math.min dY dMs 1 1 Distance moved Euclidean distance var distance Math.sqrt Math.pow x1 x2 2 Math.pow y1 y2 2 if distance minDistance Momentum var lastStepTime new Date d.animate textIndent 0 duration.. 1 1 speedY Math.max Math.min dY dMs 1 1 Distance moved Euclidean distance var distance Math.sqrt Math.pow x1 x2 2 Math.pow y1 y2 2 if distance minDistance Momentum var lastStepTime new Date d.animate textIndent 0 duration Math.max Math.abs..
Looking for jQuery easing functions without using a plugin http://stackoverflow.com/questions/5207301/looking-for-jquery-easing-functions-without-using-a-plugin 2 b easeInOutSine function x t b c d return c 2 Math.cos Math.PI t d 1 b easeInExpo function x t b c d return t 0 b c Math.pow 2 10 t d 1 b easeOutExpo function x t b c d return t d b c c Math.pow 2 10 t d 1 b easeInOutExpo function x t b c d if t.. 1 b easeInExpo function x t b c d return t 0 b c Math.pow 2 10 t d 1 b easeOutExpo function x t b c d return t d b c c Math.pow 2 10 t d 1 b easeInOutExpo function x t b c d if t 0 return b if t d return b c if t d 2 1 return c 2 Math.pow 2 10 t 1.. d b c c Math.pow 2 10 t d 1 b easeInOutExpo function x t b c d if t 0 return b if t d return b c if t d 2 1 return c 2 Math.pow 2 10 t 1 b return c 2 Math.pow 2 10 t 2 b easeInCirc function x t b c d return c Math.sqrt 1 t d t 1 b easeOutCirc function..
http://stackoverflow.com/questions/8316882/what-is-an-easing-function 0 return b if t d 1 return b c if p p d .3 if a Math.abs c a c var s p 4 else var s p 2 Math.PI Math.asin c a return a Math.pow 2 10 t 1 Math.sin t d s 2 Math.PI p b Perhaps somebody else can explain the actual math part behind the interpolation because..
How can I detect the distance that the user's mouse has moved? http://stackoverflow.com/questions/8686619/how-can-i-detect-the-distance-that-the-users-mouse-has-moved stulentsev Em4Xu 26 document .mousemove function event var startingTop 10 startingLeft 22 math Math.round Math.sqrt Math.pow startingTop event.clientY 2 Math.pow startingLeft event.clientX 2 'px' 'span' .text 'From your starting point 22x10 you.. function event var startingTop 10 startingLeft 22 math Math.round Math.sqrt Math.pow startingTop event.clientY 2 Math.pow startingLeft event.clientX 2 'px' 'span' .text 'From your starting point 22x10 you moved ' math share improve this answer..
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