javascript donut chart

ArticleDirectory What it do What it don't Sparky Sparklines are intense, simple, word-Sized Graphics. Sparky is a javascript library for drawing them dynamically in your web browser. In the words of Edward Tufte, who coined the term: Sparklines mean that graphics are no longer cartoonish special occasions with captions and boxes, but rather a sparkline graphic can be everywhere a word or number can be: embedded in a sentence,

One, download Echarts-plain.js Two, create a new index.html, and place it in the same directory as the downloaded echarts-plain.js.Echarts, a JavaScript Interactive chart library, using examples.

JavaScript 30 Day daily effect chart On the GitHub saw a Wesbos Javascript30 Day Challenge Repo, designed to use pure JS to practice, not allowed to use any other library and framework, the challenge for a total of 30 days, I will be here to replicate the 30 days of challenges and problems, to the tutorial, Video sharing for everyone. day01-day03 No. 01 Day No. 02 Day No. 03 Day

Front-end code: JavaScript code: // Selector function $ A (ID, tag) {var Re = (ID typeof ID! = "String ")? ID: Document. getelementbyid (ID); If (! Tag) {return re;} else {return re. getelementsbytagname (TAG) ;}// click the moving function movec () {var o = $ A ("bd1lfimg", "") in the focus scroll chart ",""); vaR Oli = $ A ("bd1lfimg", "DL"); var oliw = Oli [0]. offsetwidth; // The width of each move

We can judge characters or numbers according to the event.keycode of onkeydown events, that is, ASCII chart. ASCII code for the related keyboard key: refer to the following JavaScript code： Copy Code code as follows: Examples, users can only enter characters and numbers, and use the Onpaste event, cannot paste. Copy Code code as follows: