Select the JavaScript graphing libraries you would like to compare:             Overview Summary FusionCharts Delightful JavaScript charts for web and mobile applications Google Chart Tools Display live data on your site Sencha ExtJS Charts Plugin-fr…
/*------------------------------------------------------ *作者:xieyu @ 2007-08-14 *语言:JavaScript *说明:select元素javascript常用操作 * 1.判断是否存在指定value的Item * 2.加入一个Item * 3.删除值为value的所有Item * 4.删除某一个index的选项 * 5.更新第index项的value和text * 6.设置select中指定text的第一个Item为…
11 Useful Javascript utility libraries to speed your development.…
It seems almost every other week there is a new JavaScript library taking the web community by storm! The web community is increasingly vibrant, diverse and is moving rapidly on multiple fronts. It would be an impossible feat to survey every major Ja…
https://plot.ly/javascript/time-series/ https://plot.ly/javascript/ https://github.com/plotly/plotly.js <!DOCTYPE html> <html> <head> <meta content="text/html; charset=utf-8" http-equiv="Content-Type" /> <tit…
Querying or Reading Data OpenTSDB offers a number of means to extract data such as CLI tools, an HTTP API and as a GnuPlot graph. Querying with OpenTSDB's tag based system can be a bit tricky so read through this document and checkout the following p…
reference:http://www.egrappler.com/javascript-chart-and-graph-libraries-for-developers/ BY TEAMEGRAPPLER · MARCH 4, 2014   Graphs and charts are used to simplify complex data and make it easy to read and understand. There is a growing number of Open…
checkbox checkbox在javascript和jquery中选中和取消的方法 Javascript: document.getElementById("myCheck").checked=true document.getElementById("myCheck").checked=false Jquery: $("#myCheck").attr("checked","checked"); $(…
comp.lang.javascript FAQ Version 32.2, Updated 2010-10-08, by Garrett Smith FAQ Notes 1 Meta-FAQ meta-questions 1.1 Which newsgroups deal with javascript? 1.2 What questions are on-topic for comp.lang.javascript? 1.3 What should I do before posting t…
1.文本框焦点问题 onBlur:当失去输入焦点后产生该事件 onFocus:当输入获得焦点后,产生该文件 Onchange:当文字值改变时,产生该事件 Onselect:当文字加亮后,产生该文件 <input type="text" value="郭强" onfocus="if(value=='郭强') {value=''}" onblur="if (value=='') {value='郭强'}">点击时文字消…