JavaScript Coder

beginner

How to make a web form and get it online quickly

Coding a web form is a long, tedious process. However, there is an easier way. Using Simfatic Forms you can quickly create feature-rich web forms without coding. You just have to design the form using the visual editor; Simfatic Forms generates all the required code. You don't have to worry about coding HTML, CSS JavaScript or PHP. Even if you know coding, and do forms regularly, Simfatic Forms saves you all the time spent on coding and lets you focus on the form design.

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JavaScript Button

This article shows you how to create dynamic buttons using JavaScript. Coding a JavaScript button by yourself JavaScript buttons can give nice effects to your web page. If done properly, JavaScript buttons give very impressive look and feel. This article shows you the creation of a JavaScript button in simple steps. The working of a JavaScript Button The JavaScript button effects are created using images. The JavaScript button requires three images for the different stages (normal, active and clicked).

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JavaScript Popup Windows

JavaScript popups are handy to display help information or to zoom in an Image. There are different types of Popups. The first type is a new browser window opened using the window.open() function. Such types of Popup windows were overused and exploited by many websites during the earlier days of the web. This resulted in the later versions of browsers blocking popup windows. Eventually, popup windows became almost extinct now. Automatically opening popup windows is considered a very bad practice.

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Using the window.close method

It may be needed that you need to give a close link in the popup you created. The window.close () method could be used to close a window. However, there are certain security restrictions for using the close() method. The close method closes only windows opened by JavaScript using the open method. If you attempt to close any other window, a confirm message is displayed, asking the user to choose whether the window is to be closed or not.

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Using the window.open method

The syntax of the window.open method is given below: open (URL, windowName[, windowFeatures]) URL The URL of the page to open in the new window. This argument could be blank. windowName A name to be given to the new window. The name can be used to refer this window again. windowFeatures A string that determines the various window features to be included in the popup window (like status bar, address bar etc) The following code opens a new browser window with standard features.

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Can JavaScript email a form?

NO! JavaScript can't email a form! but, there are alternatives to send the form data to an email address. There is no direct method provided by JavaScript to send the data submitted in the form to an email address. The main concern for not providing a ‘JavaScript email form’ feature is security. Suppose there is a feature in JavaScript to send email. Some malicious coder can write a script to send email to some address immediately when you visit their page.

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From an HTML Form to an Email Inbox

Getting the HTML form data in the email inbox will be a very convenient way to collect user responses very quickly. Except, when you have hundreds of responses per day! Here are the methods you have to get the HTML form data in your email inbox. One quick and simple method is to use the mailto:you@yourdomain.com in the action field of the form. This method is very simple; but has many drawbacks.

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How to get the value of a form element : check box and radio button

This is the third article in the getting form element values using JavaScript series. In this article we will see how to get the value of check box and radio button. Getting a radio element and it's checked value Radio buttons in a form can be grouped together using the same name attribute, such that, if one of them is checked, all the others are automatically un-checked. Let us look at an example:

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How to get the value of a form element : Drop downs and lists

This article is in continuation of getting form element values using JavaScript series. Drop down list We can obtain a reference to this type of element using its name: oSelectOne = oForm.elements["select_one_element_name"]; To get the index of the selected option in the JavaScript options array of the select element, we can use the selectedIndex property of the select element object: index = oSelectOne.selectedIndex; We can now use this index to determine the value of the selected option:

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How to get the value of a form element using JavaScript

Please refer article: how to get JavaScript form object for information on getting a reference to the form object. In this article we demonstrate the use of JavaScript for accessing the values of form elements. Later, we will demonstrate all the concepts using a real world example. Text input element To obtain a reference to a text input element, here is some sample code: oText = oForm.elements["text_element_name"]; OR oText = oForm.

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Using JavaScript to access form objects when there are multiple forms

In order to access a form through JavaScript, we need to obtain a reference to the form object. One obvious way to approach, is to use the getElementById method. For instance, if we had a form with the id attribute "subscribe_frm", we could access the form in this way: var oForm = document.getElementById('subscribe_frm'); However, this approach has the limitation that the <form> tag must have an id attribute, as the getElementById method needs the id of an element in order to locate it in the DOM tree.

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Using JavaScript to reset or clear a form

Using an HTML ‘Reset’ button is an easy way to reset all form fields to their default values. For instance, the code snippet below shows an <input> field of type “reset”, which on being clicked resets all the form fields: <input type="reset" value="Reset Form"> In fact, we could also use the form's reset() method to achieve the same effect, using a simple button element: <input type="button" value="Reset Form" onClick="this.form.reset()" /> These methods are very convenient to use, but they do not provide the functionality of clearing all the fields, including their default values.

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How to make a web form

This tutorial explains the basics of a web form, how it works and how you can make a web form from scratch. Using Simfatic Forms you can create feature rich web forms quickly. Click here for more info. How does a web form work? A visitor visits a web page that contains a form. The web browser displays the HTML form. The visitor fills in the form and submits

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The HTML Form Submit Button

The basics of an HTML form submit button is discussed first in this article, moving towards more advanced topics like multiple submit buttons. If you are looking for a software tool for creating HTML forms quickly ( without even knowing HTML), see the article: How to make a web form and get it online quickly. This article contains more information about Simfatic Forms - an easy to use form creation software.

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How to use getElementById to get the elements in a form

There are many ways of accessing form elements, of which the easiest is by using the cross-browser W3C DOM document.getElementById() method. Before we learn more about this method, it would be useful to know something about the Document Object Model (DOM), the concept of HTML nodes or elements, and the concept of containers. Each time you load an HTML page, the web browser generates an internal representation of the page in the form of an inverted tree structure.

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HTML Form Tutorial Part II : More Input Elements

In the first part of the HTML form tutorial we saw how to create a basic form using simple text boxes. In this part, we will see some more input elements. Check box If you want to add a toggle input item that the user can select or deselect, use a check box input item. <input type="checkbox" name="Agree" value="yes" /> name="Agree” The name used to identify this input on the server side script.

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HTML Form Tutorial Part III : Still More Input Elements

Password input Login screens usually have a password field where the user enters his password. You can create a password field by using the input type ‘password’. A password field can be created using the following code: <input type="password" name="pwd" /> Other attributes: maxlength="maxChar” the maximum length (in characters) the password can have value="textValue” The default value that should appear in the password field. “Hidden” input The ‘hidden’ input is not shown to the user.

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HTML Form Tutorial Part IV: Server Side Form Processing

The previous three parts of this series (part 1, part 2 and part 3) explained how to create the HTML part of a web form (the client side). In order to make the form useful, we need to add server side processing support to the form. Remember the diagram in part I of this tutorial? How to create the server side form processing script? There are scripting languages like PHP , ASP and Perl that can be used to write the server side form processing script.

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HTML Form Tutorial

While other elements of HTML gives style and meaning to your website, an HTML form adds interactivity. HTML forms handle important functions like taking orders, surveys, user registration and more. You will hardly find a single web site without forms. How does an HTML form work? A web form has two parts: the HTML ‘front end’ and a back end form processor. The HTML front end part handles the presentation while the back end handles the form submissions (like saving the form submissions, sending emails etc).

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