摘要:
var arr = ["c", "a", "z", "a", "x", "a", "a", "z", "c", "x", "a", "x"] var obj={}; for(var i=0;i<arr.length;i++) { if(arr[i] in obj) { obj[arr[i]]+=1; 阅读全文
摘要:
function gettime(){ var date=new Date(); var year=date.getFullYear(); var month=date.getMonth(); var day=date.getDate(); var hour=date.getHours(); var 阅读全文