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In this article, the editor introduces in detail "what are the four types of Web functional testing", with detailed content, clear steps and proper handling of details. I hope this article "what are the four types of Web functional testing" can help you solve your doubts.

Four types of Web functional testing

1. Page link test

The link to a page is an important means for users to browse from one page to another. When testing page links, you need to verify two questions:

Whether the page exists or not, if the page cannot display information, the page link is considered invalid. There are many factors that cause the page to be invalid, such as the non-existence of the page file, the incorrect address of the link, and so on.

Whether the page jumps to the specified page is mainly to verify the correctness of the page, which should also be considered in the Web functional testing section.

two。 Design language testing

The design language here mainly refers to HTML language and different scripting languages. In some cases, HTML language may have different effects depending on customer browsers, so this is also a factor to be considered in testing. For example, in Netscape 4 7, the content of the form cannot be limited to read-only properties, so when the content of the form needs to be disabled or restricted, the program must consider other ways to implement it, such as using JavaScript scripts to deal with it.

3. Web graphic test

Web graphics is a common means of displaying information, such as GIF pictures. Very often, graphics are mixed with text, so in the Web graphics test, you need to confirm not only whether the text is correct, but also the content and display of the picture, such as whether the text surrounds the picture correctly, whether the text prompt of the picture is correct, and whether the link pointed to by the picture is correct. Of course, the picture display is also an important factor in the load test of the page. sometimes, when the network is in a bad state and the picture file is large, you may encounter a link timeout error, which also needs to be considered in the graphics test. Graphics testing also considers display problems, such as whether graphics are displayed correctly at different resolutions, whether graphics that need to be supported by browser add-ons can be loaded correctly, and so on.

4. Form test

From a design point of view, the form establishes a dialogue between the visitor and the server, allowing the use of text boxes, radio buttons and select menus to obtain information, rather than using text or pictures to send information. In general, to deal with responses (that is, form results) from site visitors, you need to use some kind of script running on the Web server (such as PHP, ISP), and you may also need to use the browser to run the client-side script (usually using JavaScript) before submitting the information entered by the visitor. When conducting form testing, you need to ensure that the application can handle the form information correctly, and that the background program can interpret and use the information correctly. For example, users can register online through form submission. When registration is complete, a successful registration message should be returned from the Web server.

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