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Optimize your landing pages with JavaScript form generator
Use cutting-edge technology to build smarter, more effective forms. Our JavaScript form builder simplifies creation and maximizes conversions.
Create forms with drag-and-drop interface
Easily create forms without design or coding skills. Simply drag different fields onto your canvas, arrange them the way you like, and customize them to collect the lead data you need.
Add customization and branding elements
Create a form that fits seamlessly into the design of your landing page. Add unique fields, colors, buttons, and layouts that captivate your audience and reflect your brand's identity.
Get your landing pages live faster
Access forms from a dedicated form library to launch your landing page faster. Skip the hassle of adding form embed codes or dealing with extra form building tools.
Maximize efficiency with reusable forms
Save time by cutting down on repetitive tasks. Create your forms once and reuse them multiple times, or start with ready-made form templates that you can customize to fit your needs.
Keep all your forms in one place
Keep all your forms organized in one online library on a single platform. Access your forms anytime and easily reuse them when needed.
Integrate with any app
Send leads over to your favorite email services, marketing automation tools, CRMs, and more to easily connect with them, nurture relationships, and guide them through the sales funnel faster.










Javascript form builder: Your ultimate how-to guide
Instapage’s JavaScript form generator allows marketers to create sleek, custom forms that can significantly improve lead generation efforts. This guide will take you through the essential steps to set up and personalize your first form using Instapage’s Form Builder tool.
Steps to create forms using the JavaScript form generator
- Get a free Instapage account and sign up for a free 14-day trial.
- Configure your account by providing your company details.
- In your dashboard, click on Assets -> Forms -> Create Form.
- Create your form from scratch and customize it according to your needs.
- Choose various fields from the ADD FIELD menu on the left: text, email, dropdown, radio buttons, etc.
- Use the FORM Settings and FORM Style menus on the right side to set up and customize your form's appearance and functionality.
- Click SAVE to retain your changes or select CLOSE to discard your edits without saving.
With these simple steps, you can harness the power of Instapage’s JavaScript form generator to enhance user engagement and optimize conversions. Start your trial today and elevate your landing pages!
Get more conversions with JavaScript form generator
Improve your Quality Score with quick load technology for landing pages
Increase conversions with content that aligns with your ads and audiences
Achieve maximum ROI by scaling your marketing initiatives
"If we have to wait on a developer, our creative velocity plummets. But Instapage has made it possible for us to exponentially grow our advertising programs and convert more customers"

“Instapage gives us the ability to tailor our landing page content and layout to tell a unique story for each geographical target. The platform also enables us to create different variations with content that performs well for each unique channel. Every marketing team needs this!”

"Instapage has truly maximized our digital advertising performance by enabling us to offer matching, personalized experiences for every ad and audience. Now we can scale our landing page experiences as efficiently and effectively as we scale the ads themselves."

"If we have to wait on a developer, our creative velocity plummets. But Instapage has made it possible for us to exponentially grow our advertising programs and convert more customers"

“Instapage gives us the ability to tailor our landing page content and layout to tell a unique story for each geographical target. The platform also enables us to create different variations with content that performs well for each unique channel. Every marketing team needs this!”

"Instapage has truly maximized our digital advertising performance by enabling us to offer matching, personalized experiences for every ad and audience. Now we can scale our landing page experiences as efficiently and effectively as we scale the ads themselves."

"If we have to wait on a developer, our creative velocity plummets. But Instapage has made it possible for us to exponentially grow our advertising programs and convert more customers"

Leading the way in building high-performing landing pages
Frequently Asked Questions
What is a JavaScript form generator and how does Instapage's Form Builder work?
A JavaScript form generator allows you to create customizable forms easily without extensive coding knowledge. Instapage’s Form Builder leverages this technology to let you design forms that seamlessly integrate with your landing pages. With a user-friendly interface, you can drag and drop elements to build forms that capture leads efficiently, making it a crucial tool for enhancing conversions.
Can I integrate the forms created with Instapage’s JavaScript form generator with other tools?
Absolutely! Instapage’s Form Builder supports a wide range of integrations with popular tools like Mailchimp, HubSpot, and Salesforce. This enables you to automatically send form submissions to your customer relationship management (CRM) systems or email marketing platforms, making lead management more streamlined and effective.
How does Instapage's Form Builder optimize forms for higher conversions?
Instapage’s JavaScript form generator is built with conversion optimization in mind. The Form Builder includes features like A/B testing and built-in analytics, allowing you to experiment with different fields and layouts. This enables you to better understand user behavior and refine your forms for maximum lead capture and conversion rates.
Is the Instapage Form Builder easy to use for someone without technical skills?
Yes, one of the standout features of Instapage’s JavaScript form generator is its ease of use. Even if you don’t have any technical skills, you can create forms in minutes using the intuitive drag-and-drop interface. This makes it accessible for marketers and businesses of all skill levels, ensuring that anyone can build high-quality forms quickly and efficiently.
What kind of customer support does Instapage offer for Form Builder users?
Instapage provides extensive customer support for users of their JavaScript form generator, including a comprehensive knowledge base, tutorial videos, and responsive email support. Additionally, premium plans offer real-time chat support to resolve issues quickly. This level of support ensures that customers can make the most of the Form Builder features and enhance their campaigns.
How does Instapage's Form Builder compare to other form builders in the market?
Instapage’s Form Builder stands out from competitors by integrating seamlessly with its landing page platform, allowing for a more cohesive user experience. Unlike many other form builders, it focuses heavily on conversion optimization features like heatmaps and real-time collaboration tools. This combination of powerful features and user-friendly design makes it an ideal choice for marketers aiming to enhance their lead generation efforts.
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People also ask about JavaScript form generator
How to create a form dynamically in JS?
How to create a dynamic form using JavaScript? let form = document.createElement(form); form.setAttribute(method, post); let nameTag = document. let firstName = document. let email = document. let departmentData = [ let department = document.createElement(select); let idea = document.
How to create a form button in JavaScript?
Code Example. Mostly for JavaScript. The button input type creates an form button, the value of which is displayed as the text or label on the button. vs. Browser Support for button. All.
How to make a PDF generator in JavaScript?
Steps to Generate PDF Files in Javscript Use the text method of the PDFKit library to insert text into the PDF. Utilize the createPdf method of the pdfmake library in JavaScript. Instantiate the jsPDF class from the jsPDF library to create the PDF. Pass configurations to the html2pdf method of the html2pdf library.
Can I use JavaScript to submit a form?
JavaScript Form Submission We can do this by using the preventDefault method on the event object. Then, we can perform any necessary validation or processing before submitting the form data. In this example, we changed the button type to button and added an onclick attribute to call the submitForm function.
How to trigger form with JavaScript?
To trigger a form post request using JavaScript, you can use the submit() method on the form element. Hereʼs an example: // Get the form element var form = document. getElementById(ʼmyFormʼ); // Trigger the form submission form.
How to use JavaScript to create a form?
Using JavaScript in HTML forms declares a new form: name=myForm names the form. starts an input element: type=text defines the type of input. defines a button object. If the type were submit the button would automatically submit the form: The testResults() function is defined in our JavaScript.
How to create a form in JavaScript?
// Create form var form = document. createElement(ʼformʼ); // Create form inputs var inputName = document. createElement(ʼinputʼ); inputName. type = ʼtextʼ; inputName.name = ʼuserNameʼ; inputName.
How do you populate a form in JavaScript?
You can populate a FormData object by calling the objectʼs append() method for each field you want to add, passing in the fieldʼs name and value. The value can be a string, for text fields, or a Blob , for binary fields, including File objects.