Enter Numeric Values

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Please tell me how can i validate my textbox to enter first numeric character as 9 and rest any numeric value in javascript.

Posted 26-Sep-12 0:22am

priti2010

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Arunprasath Natarajan 26-Sep-12 6:26am

Is it mobile no. validation

1 solution

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Pro Idiot · Answer 1 · 2012-09-26T00:40:00

Solution 1

assign x value with your number you want to validate.

C#

function test() {
       var x = '92385';
       if (isNumber(x))
           if (x.charAt(0) == '9') {
               alert("Success");
           }
   }
 function isNumber(n) {
        return !isNaN(parseFloat(n)) && isFinite(n);
    }

Posted 26-Sep-12 0:40am

Pro Idiot

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priti2010 26-Sep-12 6:55am

thanx 4 the help!!!!

my textbox may have alphabet search also and if numeric search than the first numeric value should be 9...