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Is content of height variable be a String or a number?By subtraction variable k from height appear a Nan error.
var k=761;
var height = $('#dornierenvoj img').css('height');
console.log(height - k);
you are trying to substract an int from a string. You must use
.replace('px', '');
in order to get a number, and then do the math operations.
http://jsfiddle.net/hyZu4/
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I have the below code:
I want go to the 20% of the page when I click this link.
Try this:
$("html, body").animate({scrollTop: $("body").height()*0.2},2000);
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how to create elements in javascript with href=variable?
how to create this with javascript when you click a button?
every time you hit the button, another div will appear.
<div></div>
thanks
Don't know exactly what you want, but you can create an a element with href=variable like this :
var a = document.createElement('a');
a.href = "http://google.fr";
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I want to get the position of the document and display it in console in px with jQuery scrollTop()
You must calculate the distance of scrollbar from the top point.
http://jsfiddle.net/6hcE7/1/
var scrollTop = $(window).scrollTop();
Should just be:
console.log(jQuery(document).scrollTop());
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I would like to ask how to make such effects http://img690.imageshack.us/img690/5263/dynamiclightingrev1.png in HTML5 canvas?
my code TileMap
http://imageshack.us/f/12/e2cg.png/
Maybe one of the filters on this site is what you need: http://www.html5rocks.com/en/tutorials/canvas/imagefilters/
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How do I put degree symbol in a textbox using javascript ?
You just have to use the html entities code.
<input value='°'></input>