$(document).ready(function() { var resize = new Array('p', '.resizable'); resize = resize.join(','); var resetFont = $(resize).css('font-size'); $(".reset").click(function() { $(resize).css('font-size', resetFont); }); $(".increase").click(function() { var originalFontSize = $(resize).css('font-size'); var originalFontNumber = parseFloat(originalFontSize, 10); var newFontSize = originalFontNumber * 1.2; $(resize).css('font-size', newFontSize); return false; }); $(".decrease").click(function() { var originalFontSize = $(resize).css('font-size'); var originalFontNumber = parseFloat(originalFontSize, 10); var newFontSize = originalFontNumber * 0.8; $(resize).css('font-size', newFontSize); return false; }); }); المصدر
