Friday, 12 June 2020

15. PGT Computer Science Question Discussion

Which of the following HTML code will affect the vertical alignment of the table content?
 

(A) <td style = “vertical-align : middle” > Text Here <\td>
(B) <td valign = “centre”> Text Here <\td>
(C) <td style = “text-align : center” > Text Here <\td>
(D) <td align = “ middle” > Text Here <\td>

Explanation:

 

Attribute

Value

Explanation

align=" "

horizontal alignment in cell

left

aligns to the left(Default)

center

aligns to the center

right

aligns to the right

valign=" "

vertical alignment in cell

top

aligns to the top

middle

aligns to the middle (Default)

bottom

aligns to the bottom

 

baseline

The baseline is the line where most of the characters sit.



CSS text-align and vertical-align property


Attribute

Value

Explanation

Style=”text-align:center;”

horizontal alignment in cell

left

aligns to the left(Default)

center

aligns to the center

right

aligns to the right

Style=”vertical-align:middle;”

vertical alignment in cell

top

aligns to the top

middle

aligns to the middle (Default)

bottom

aligns to the bottom

 

baseline

The baseline is the line where most of the characters sit.


Option (A) is correct as vertical-align:middle is the css vertical alignment property
Option (B) is wrong as valign does not have center value
Option (C) is wrong as text-align:center is a horizontal property in CSS
Option (D) is wrong as align does not have middle value

Example 

<html>
<body>
<table height="300px" width="200px" border="1">
  <tr>
    <td valign="top">Cell A</td>
    <td valign="baseline">Cell B</td>
  </tr>
  <tr>
    <td valign="bottom">Cell C</td>
    <td valign="middle">Cell D</td>
  </tr>
  <tr>
    <td>Cell A</td>
    <td style="vertical-align:baseline">Cell B</td>
  </tr>
  <tr>
    <td style="vertical-align:bottom">Cell C</td>
    <td style="vertical-align:top">Cell D</td>
  </tr>
  <tr>
    <td style="text-align:center">Cell A</td>
    <td style="vertical-align:middle">Cell B</td>
  </tr>
</table>


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