在IE中显示图表的问题 [英] Issue in displaying a graph in IE

问题描述

亲爱的所有人，



我正在使用javascript来显示图表。图表在firefox和chrome中显示。但它没有显示。脚本是在it.i不知道canvas和excanvas.i之间的xact差异我也使用jit.js命名为javascript.suggest一个解决方案。谢谢

Dear All,

I am using a javascript to display a graph.the graph is gettingdisplayed in firefox and chrome.but its not getting displayed.the script is using canvas things in it.i dont know the xact difference between canvas and excanvas.i am also using jit.js named javascript.suggest a solution.thanks

var labelType, useGradients, nativeTextSupport, animate;

(function () {
    var ua = navigator.userAgent,
      iStuff = ua.match(/iPhone/i) || ua.match(/iPad/i),
      typeOfCanvas = typeof HTMLCanvasElement,
      nativeCanvasSupport = (typeOfCanvas == 'object' || typeOfCanvas == 'function'),
      textSupport = nativeCanvasSupport
        && (typeof document.createElement('canvas').getContext('2d').fillText == 'function');
    //I'm setting this based on the fact that ExCanvas provides text support for IE
    //and that as of today iPhone/iPad current text support is lame
    labelType = (!nativeCanvasSupport || (textSupport && !iStuff)) ? 'Native' : 'HTML';
    nativeTextSupport = labelType == 'Native';
    useGradients = nativeCanvasSupport;
    animate = !(iStuff || !nativeCanvasSupport);
})();

推荐答案

这篇关于在IE中显示图表的问题的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！