common.js 413 B

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  1. function isNum(s) {
  2. //var regu = "^([0-9]*)$";
  3. var regu = "^([0-9]*[.0-9])$"; // 小数测试
  4. var re = new RegExp(regu);
  5. if (s.search(re) != -1)
  6. return true;
  7. else
  8. return false;
  9. }
  10. //读取cookie
  11. function getCookie(name)
  12. {
  13. var arr,reg=new RegExp("(^| )"+name+"=([^;]*)(;|$)");
  14. if(arr=document.cookie.match(reg))
  15. return unescape(arr[2]);
  16. else
  17. return null;
  18. }