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I am looking for a charts library to be displayed on a website. I will use intensively this library (for area, line and bar charts mainly), so I prefer to secure my choice before starting implementing. The list of website chart libraries that I have initially considered are: Plotkit Emprise JS Charts Sparkline Protochart gRaphael Bluff YUI Charts : However after some researches on this forum and investigations on the web, I have reduced my candidate list to these two libraries: Flot jQuery plugin Google Visualization Which one do you advise me to use and why (if you have worked with one or two of them, please tell me your feedback)? How do they compare one to each other regarding ease of use, performance and features? Thank you EDIT: Based-Flash Chart libraries were not eligible with my constraints Source: Tips4all

I am using Google Visualization API and jQuery. When I include both scripts as well as my js script ( report.js ) in the head, the page show nothing, even if report.js is empty. But if I remove the last line, it is ok. <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.0/jquery.min.js"></script> <script type="text/javascript" src="https://www.google.com/jsapi"></script> <script type="text/javascript" src="report.js"></script> When I using "inspect" to check the source, I find the head is totally messy: What is the problem here?