function Baseisnotnum (thenum) { Judge whether it is a number if (Basetrim (thenum) = "") return true; for (Var i=0;i<thenum.length;i++) { Onenum=thenum.substring (i,i+1); if (onenum< "0" | | onenum> "9") return true; } return false; }
function Baseisnotint (Theint) { To determine whether an integer Theint=basetrim (Theint); if (theint.length>1 && theint.substring (0,1) = = "0") | | Baseisnotnum (Theint)) { return true; } return false; }
Function Baseisnotfloat (thefloat) { ///Determine if floating-point number Len=thefloat.length; Dotnum=0; if (len==0) return true; for (Var i=0;i<len;i++) { onenum=thefloat.substring (i,i+1); if (onenum==.) dotnum++; if ((onenum< "0" | | | onenum> "9") && onenum!= ".") | | DOTNUM>1) return true; } if (len>1 && thefloat.substring (0,1) = = "0") { if (thefloat.substring (1,2)!= ".") return true; } return false; }
function Basetrim (str) { Remove Space Lidx=0;ridx=str.length; if (basetrim.arguments.length==2) Act=basetrim.arguments[1].tolowercase (); Else Act= "All"; for (Var i=0;i<str.length;i++) { Thelstr=str.substring (lidx,lidx+1); Therstr=str.substring (ridx,ridx-1); if ((act== "All" | | act== "left") && thelstr== "") { lidx++; } if ((act== "All" | | act== "right") && therstr== "") { ridx--; } } Str=str.slice (LIDX,RIDX); return str; }
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