摘要:
Given n non-negative integers a1, a2, ..., an, where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two endpo 阅读全文
摘要:
绘制渐变背景图 第一种:大神的想法,摘抄 background-image: -webkit-linear-gradient(left, blue, red 25%, blue 50%, red 75%, blue 100%);使用CSS3的渐变绘制图像,从左到右。需要注意的是颜色是 0到49%的颜 阅读全文
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function sum(arr) { var len = arr.length; var sum = 0; if(len == 0){ sum = 0; }else{ for(var i = 0;i < len;i++){ sum += arr[i]; } } return sum;} funct 阅读全文
摘要:
function getDaysInOneMonth(year, month){ month = parseInt(month,10); var d= new Date(year,month,0); //这个是都可以兼容的var date = new Date(year+"/"+month+"/0") //IE浏览器可以获取天数,谷歌浏览器会返回NaN return d.getDate()... 阅读全文