jquery - JavaScript font-size cookie -



jquery - JavaScript font-size cookie -

i'm kind of new javascript. i've created function changes font size , save size in cookie, user won't have alter every time. haven't got cookie part work.

i'm using next libraries: jquery javascript library v1.11.1 , https://developer.mozilla.org/en-us/docs/web/api/document.cookie

function change_size(element, size) { var new_size; var current = parseint(doccookies.getitem("fontsize")); if (current !== "") { current = parseint(element.css('font-size')); } if (size === 'smaller') { if (current > 12) { new_size = current - 2; } } else if (size === 'bigger') { if (current < 22) { new_size = current + 2; } } element.css('font-size', new_size + 'px'); doccookies.setitem("fontsize", num.tostring(new_size), infinity); } $('#smaller').click(function() { change_size($('p'), 'smaller'); }); $('#bigger').click(function() { change_size($('p'), 'bigger'); });

change line

doccookies.setitem("fontsize", num.tostring(new_size), infinity);

to

doccookies.setitem("fontsize", new_size, infinity);

you don't have num variable.

also don't forget set new font size on page load:

var fontsize = doccookies.getitem("fontsize"); if (fontsize) { $('p').css('font-size', fontsize + 'px'); } demo: http://jsfiddle.net/q56wkorw/

javascript jquery cookies

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