Question

13

Trim spaces from form input?

rated 0 times [ 20] [ 7] / answers: 1 / hits: 46629 / 13 Years ago, mon, november 14, 2011, 12:00:00

Hello so i'm trying to trim the white spaces when the user enter spaces he get an error explaning that he should enter valid chars but if he used: ' test ' the same value is entered in the database do i need to trim that again in javascript ?

function validateForm()

{

    if(trim(document.insert.aname.value) ===)

    {

      alert(Animal should have a name);

      document.insert.aname.focus();

      return false;

    }

}

function trim(value) {

    return value.replace(/^s+|s+$/g,);

}

please can you help ?
the input page is .JSP

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devlin

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answered 13 Years ago ronaldo · Accepted Answer

You're not actually trimming the input. You want this:

//store the input in a variable

var nameInput = document.insert.aname



function validateForm() {

    //Get the trimmed name

    var animalName = trim(nameInput.value)



    if(animalName) {

        //Update the form with the trimmed value, just before the form is sent

        nameInput.value = animalName

    }

    else {

         //Trimmed value is empty

         alert(Animal should have a name);

         nameInput.focus();

         return false;

    }

}



function trim(value) {

    return value.replace(/^s+|s+$/g,);

}