java barcode generator example The name Property in Java

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The name Property
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This property holds the value of the form s name, which is given to it in the name attribute of the form tag You might have some code like this:
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<form name="cool_form"> <!-- form contents here --> </form>
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Here, the value of the name property is cool_form, because it s the value inside the name attribute of the form
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The target Property
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This property holds the value given in the target property in a form tag For instance, you might have the following code:
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<form name="cool_form" target="place" action="programcgi"> <!-- form contents here --> </form>
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Here, the value of the target property is place, because it s the value inside the target attribute of the form
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Methods
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Now take a look at the form object s methods The form object has only two methods, reset() and submit(), which are described next
The reset() Method
This method enables you to reset a form using your script, allowing you to reset the form on any event you like So, if you want to reset a form after the viewer removes focus from an element, you could use the following:
<body> The form is reset if this field loses focus <form> Your Favorite Food <input type="text" name="fav_food" onblur="thisformreset();" /><br /> Drink <input type="text" /> <br /><br /> <input type="reset" value="Reset Form" /> <input type="submit" value="Submit Form" /> </form> </body>
The submit() Method
This method allows you to submit a form without the viewer clicking the submit button The following code shows how to do this when the viewer removes focus from an element (much the same way as with the reset() method):
The form is submitted <body> if this field loses focus <form action="http://sitecom/php/formphp"> Your Favorite Food <input type="text" name="fav_food" onblur="thisformsubmit();" /><br /> Drink <input type="text" /> <br /><br /> <input type="submit" value="Submit Form" /> </form> </body>
Ensuring the Accessibility of Forms
Ensuring that your forms are accessible to viewers can be somewhat challenging because your preferred layout might not be interpreted properly by an assistive technology (such as Jaws or Homepage Reader) There are several things you can do to help ensure that most of your viewers can access and use your forms You can place elements and their labels in the expected order, use <label></label> tags, use <fieldset></fieldset> tags, and be sure not to assume the user has client-side scripting (such as JavaScript) enabled
14: JavaScript and Forms
Using Proper Element and Label Order
In your HTML code, the order of your label text and form elements can help assistive technology in reading the form For instance, consider the following input fields:
<input type="text" name="yourname" id="yourname" /> Name<br /> <input type="text" name="zip_code" id="zip_code" /> Zip Code<br />
Here, an assistive technology looks for label text to appear before the form element Since the first input element does not have any label text before it, the viewer is simply prompted for input, with no indication of what information to enter Afterward, the label text Name is associated with the zip_code text box, which can cause the viewer to enter unexpected input To correct this, you can simply move the label text and place it before the form element, as in the following code:
Name <input type="text" name="yourname" id="yourname" /><br /> Zip Code <input type="text" name="zip_code" id="zip_code" /><br />
Now, the assistive technology likely will pick up the form label and allow the user to enter the expected information Using both the name and id attributes also helps, because various assistive technologies will pick these up as well This works for text boxes, text areas, and select boxes as well However, when dealing with check boxes and radio buttons, many assistive technologies expect the element first, followed by the descriptive label Thus, these should be switched around when being used When dealing with buttons (such as submit, reset, or created buttons), be sure to use the value attribute to describe what the button does, as that is what assistive technologies will likely expect
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