why using list allow web developers to group a set of related items in lists there are three type of the list 1- order list :this list order by number 2- unordered list :this list use symbol such as circile 3-A description list is a list of items with a description or definition of each item. example about it .
All HTML elements can be considered as boxes.
The CSS box model is essentially a box that wraps around every HTML element. It consists of: margins, borders, padding, and the actual content.
if you want limited the width and height use this attribute min-height, max-height. If the box does not fit the content use this property overflow The overflow property has the following values:
visible - Default. The overflow is not clipped. The content renders outside the element's box hidden - The overflow is clipped, and the rest of the content will be invisible scroll - The overflow is clipped, and a scrollbar is added to see the rest of the content auto - Similar to scroll, but it adds scrollbars only when necessary Every box has three available properties that can be adjusted to control its appearance:
Margins: are used to create space around elements, outside of any defined borders. Padding:is used to create space around an element's content, inside of any defined borders. The CSS border properties allow you to specify the style, width, and color of an element's border.
any of this consider the popular way to specify the size 1-percentages 2-ems 3-pixels 4-other
The following features can be adjusted to control the appearance of the boxز 1-overflow 2-padding 3-visible.
tow check anything using javascript use the if statement for example two check if the student pass in the exam or fail write this statement var stuGrade =59 if (stu>50 ){ document.write("this stu is pass") } else { document.write("this stu is fial") } The switch statement is used to perform different actions based on different conditions. switch(expression) { case x: // code block break; case y: // code block break; default: // code block } This is how it works:
The switch expression is evaluated once.
The value of the expression is compared with the values of each case.
If there is a match, the associated block of code is executed.
If there is no match, the default code block is executed.
