Implementation of Website Creation Tutorial Client Verification_Shang ping China focuses on high quality website construction

After the form is created, the user needs to validate the input data. To verify the data, first find the agricultural form that needs to be verified. Here we will use the content we learned earlier.

First create a form, such as Website production Code 1-10.

Create a table code

Save the above code as "check_form. htm" and open it with a browser, as shown in Figure 1.26.

Check form

If no characters are entered in the "Title" text box or "Content" text field, clicking the "Submit" button will prompt that the "Title" text box or "Content" text field cannot be empty, as shown in Figure 1.27.

Prompt dialog box

Implementation of Website Making Tutorial Client Verification

Date：2016-12-14 Source: Shangpin China Type: website encyclopedia
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