js uppercase the first letter of string js String.toUpperCase `-webkit-border-image`.split(`-`).filter(i => i !== "").reduce((acc, i) => acc += i) // "webkitborderimage" `-webkit-border-image`.split(`-`).filter(i => i !== &quo…
1.js字符串转换成时间 1.1方法一:输入的时间格式为yyyy-MM-dd function convertDateFromString(dateString) { if (dateString) { var date = new Date(dateString.replace(/-/,"/")) return date; } } 1.2方法二:输入的时间格式为yyyy-MM-dd hh:mm:ss function convertDateFromString(dateString…
Time limit : 2sec / Stack limit : 256MB / Memory limit : 256MB ProblemCarol is a great alchemist. In her world, each metal has a name of 2N (N is an integer) letters long, which consists of uppercase alphabets. Carol can create metal S3 from S1 and S…
C - A Great Alchemist Time limit : 2sec / Stack limit : 256MB / Memory limit : 256MB Problem Carol is a great alchemist. In her world, each metal has a name of 2N (N is an integer) letters long, which consists of uppercase alphabets. Carol can create…
题目来源:A Great Alchemist A Great Alchemist Time limit : 2sec / Stack limit : 256MB / Memory limit : 256MB Problem Carol is a great alchemist. In her world, each metal has a name of 2N (N is an integer) letters long, which consists of uppercase alphabet…
C. Letter Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/180/problem/C Description Patrick has just finished writing a message to his sweetheart Stacey when he noticed that the message didn't look fancy. Patrick was nervou…
Letter time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Patrick has just finished writing a message to his sweetheart Stacey when he noticed that the message didn't look fancy. Patrick was n…
/判断输入内容是否为空 function IsNull(){ var str = document.getElementById('str').value.trim(); if(str.length==0){ alert('对不起,文本框不能为空或者为空格!');//请将"文本框"改成你需要验证的属性名称! } } //判断日期类型是否为YYYY-MM-DD格式的类型 function IsD…