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Editorial Team
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Asked: 2026-06-13T02:33:06+00:00

Back again with another absolute beginner question. I’m validating a form, and I want

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Back again with another absolute beginner question. I’m validating a form, and I want the text input to be limited to more than 2 and less than 15 characters. I have tried:

function validateForm(formElement) {
var valid = true;
if (formElement.first_name.value.length < 2) return focusElement(formElement.first_name, 'Please enter a First Name that is more than 2 characters long.');
if (formElement.first_name.value.length > 15) return focusElement(formElement.first_name, 'Please enter a First Name that is less than 15 characters long.');

As well as 

if (formElement.first_name.value.length < 2 && formElement.first_name.value.length > 15) return focusElement(formElement.first_name, 'Please enter a First Name that is more than 2 and less than 15 characters long.');

Both resulting in errors. How can I accomplish this?

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1 Answer

  1. Editorial Team

    There’s a logic issue here – the length can’t be less than 2 AND greater than 15. What you’re should be using is less than 2 OR greater than 15:

    if (formElement.first_name.value.length < 2 || formElement.first_name.value.length > 15) return focusElement(formElement.first_name, 'Please enter a First Name that is more than 2 and less than 15 characters long.');

    I’m also not sure what you’re using the valid = true variable for here

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