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I want to POST form data on server, but I am unable to find how to get Form fields in ajax post. A small code can be very helpful.
Hi, below is a code snippet , which contains datatype to read form data and send it to server: $.ajax({ url: ‘/YourServiceUrlHere’, type: ‘POST’, timeout: 12000, dataType: ‘text’, data: { firstName: YourForm.fname.value, lastName: myForm.lname.value } ).done(… )
In jQuery.ajax() function, which different response types can be restricted? Is it limited to XML and JSON only?
You can specify text, xml, html, json and script too
Can you please give a good definition about sematic Tags of HTML5?
The Tag should be able to describe the content, not to provide the presentation of it
In HTML attributes I have noticed some of the attributes starting with “data-“. What kind of attributes are these?
Attributes starting with “data-“are custom attribute, defined by page author and the entire purpose is to avoid any collision with html defined attributes. If you want to define a CustomerNumber attribute on a span Tag then it should be like <span data-CustomerNumber=”001”>. Any attributes, starting with data-, are ignored by html
1) I am new to web development. How can I validate an Email address input? any good script for it? 2) Also, how can I restrict a numerical input between a “From” and “To” or in a Range?
1) Hi Devani, you can use <input type="email> it will ensure the valid email address
2) You can use “min” and “max” attributes on input type of number, <input type="number" min = "100" max="200" />
I am creating a small site (don’t know much about script or programming) and I want to show a dropdown containing multiple values, but I want to categories those values. Is there a way to implement it without any code?
you can use <optgroup> in <select> tag like this: <select> <optgroup label="US"> <option value="NY">New York</option> <option value="NJ">New Jursey</option> </optgroup>
<optgroup label="AU"> <option value="SY">Sydney</option> <option value="ML">Melbourne</option> </optgroup>
</select>
Can I restrict the length of <textarea> element of HTML?
Yes, you can use “maxlenght” attribute to restrict it
What is the difference between Canvas and SVG?
SVG is element based and when created it will become the part of DOM and can be accessed using script, like any other HTML element. on the other hand Canvas is not retained and maintained in DOM. You should be careful about the performance of page when using SVG
