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我试图通过创建两个查询对象来重复代码,但不确定语法。任何帮助,将不胜感激jQuery数组语法中的html5画布
var headers = $("h2.page-header");
var nav = $("ul#nav-main li a.active");
var links = [headers, nav];
links.each(function() {
var linkWidth = $(this).outerWidth();
var canvas = $("<canvas></canvas>");
canvas.attr({width: linkWidth, height: 48});
var ctx = canvas.get(0).getContext("2d");
ctx.save();
ctx.beginPath();
ctx.moveTo(linkWidth, 45.0);
ctx.lineTo(6.5, 46.3);
ctx.lineTo(0.0, 0.0);
ctx.lineTo(linkWidth-2, 2.0);
ctx.lineTo(linkWidth-4, 45.0);
ctx.closePath();
ctx.fillStyle = "rgb(27, 73, 218)";
ctx.fill();
ctx.restore();
var image = canvas.get(0).toDataURL("image/png");
$(this).css({background: "url('"+image+"') no-repeat"});
});