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案例:比较2014-10-12 10:10 与2018-4-14 12:12的大小
//方法
function compareSizes(d1,d2){
let dt1 = new Date(d1.replace(/-/g,"\/"))
let dt2 = new Date(d2.replace(/-/g,"\/"))
if(dt1>dt2){
console.log("d1大于d2")
}else{
console.log("d1小于等于d2")
}
}
//方法调用
let d1="2014-10-12 10:10"
let d2="2018-4-14 12:12"
compareSizes(d1,d2)