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javascript Programming Glossary: math.absCheck if Daylight Saving Time is in effect, and if it is for how many hours http://stackoverflow.com/questions/11887934/check-if-daylight-saving-time-is-in-effect-and-if-it-is-for-how-many-hours a bit of my js code for which this is needed var secDiff Math.abs Math.round utc_date this.premiere_date 1000 this.years this.calculateUnit..
Disable Copy/Paste into HTML form using Javascript http://stackoverflow.com/questions/1226574/disable-copy-paste-into-html-form-using-javascript undefined this.previousValue this.value var pasted Math.abs this.previousValue.length this.value.length 1 this.value if..
jquery, find div class name at a certain position while scrolling http://stackoverflow.com/questions/13137404/jquery-find-div-class-name-at-a-certain-position-while-scrolling temp whichOne 'div.small_div' .each function i s var diff Math.abs s .position .top currentFixedDivPosition if temp if diff temp..
Best way to find an item in a JavaScript array? [duplicate] http://stackoverflow.com/questions/143847/best-way-to-find-an-item-in-a-javascript-array 1 if n n n 0 else if n 0 n 1 0 n 1 0 n n 0 1 Math.floor Math.abs n if n len return 1 var k n 0 n Math.max len Math.abs n 0 for.. Math.abs n if n len return 1 var k n 0 n Math.max len Math.abs n 0 for k len k if k in t t k searchElement return k return..
How can I format numbers as money in JavaScript? http://stackoverflow.com/questions/149055/how-can-i-format-numbers-as-money-in-javascript function c d t var n this c isNaN c Math.abs c 2 c d d undefined . d t t undefined t s n 0 i parseInt n.. 2 c d d undefined . d t t undefined t s n 0 i parseInt n Math.abs n 0 .toFixed c j j i.length 3 j 3 0 return s j i.substr 0 j.. s j i.substr 0 j t i.substr j .replace d 3 d g 1 t c d Math.abs n i .toFixed c .slice 2 And use it with 123456789.12345 .formatMoney..
How to avoid scientific notation for large numbers in javascript? http://stackoverflow.com/questions/1685680/how-to-avoid-scientific-notation-for-large-numbers-in-javascript roll your own but it will be messy. function toFixed x if Math.abs x 1.0 var e parseInt x.toString .split 'e ' 1 if e x Math.pow..
What is the difference between String.slice and String.substring in JavaScript? http://stackoverflow.com/questions/2243824/what-is-the-difference-between-string-slice-and-string-substring-in-javascript If stop is negative slice will set stop to string.length 1 Math.abs stop original value . Source Rudimentary Art of Programming..
Resizing an image in an HTML5 canvas http://stackoverflow.com/questions/2303690/resizing-an-image-in-an-html5-canvas lobes return function x if x lobes return 0 x Math.PI if Math.abs x 1e 16 return 1 var xx x lobes return Math.sin x Math.sin xx.. if i 0 i self.src.width continue var f_x Math.floor 1000 Math.abs i self.center.x if self.cacheLanc f_x self.cacheLanc f_x .. j 0 j self.src.height continue var f_y Math.floor 1000 Math.abs j self.center.y if self.cacheLanc f_x f_y undefined self.cacheLanc..
How to calculate the number of days between two dates using JavaScript? http://stackoverflow.com/questions/2627473/how-to-calculate-the-number-of-days-between-two-dates-using-javascript var secondDate new Date 2008 01 22 var diffDays Math.round Math.abs firstDate.getTime secondDate.getTime oneDay share improve..
Zoom in on a point (using scale and translate) http://stackoverflow.com/questions/2916081/zoom-in-on-a-point-using-scale-and-translate 120 n or n according to Chris comment var zoom Math.pow 1 Math.abs wheel 2 wheel 0 1 1 context.translate originx originy context.scale..
Get difference between 2 dates in javascript? http://stackoverflow.com/questions/3224834/get-difference-between-2-dates-in-javascript Date 7 11 2010 var date2 new Date 12 12 2010 var timeDiff Math.abs date2.getTime date1.getTime var diffDays Math.ceil timeDiff..
JavaScript: How can I insert a string at a specific index http://stackoverflow.com/questions/4313841/javascript-how-can-i-insert-a-string-at-a-specific-index idx rem s return this.slice 0 idx s this.slice idx Math.abs rem var result foo baz .splice 4 0 bar alert result foo bar..
Is JavaScript's Floating-Point Math Broken? http://stackoverflow.com/questions/588004/is-javascripts-floating-point-math-broken value which is a very very small number. x 0.2 y 0.3 equal Math.abs x y 0.000001 For the exact reason why please read What Every..
JQuery Slider, how to make “step” size change http://stackoverflow.com/questions/967372/jquery-slider-how-to-make-step-size-change values i value includeRight values i value var newDiff Math.abs value values i if diff null newDiff diff nearest values i diff.. values i value includeRight values i value var newDiff Math.abs value values i if diff null newDiff diff nearest values i.. values i value includeRight values i value var newDiff Math.abs value values i if diff null newDiff diff nearest values i..
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