Alarm clock using javascript
Understand an example of developing a stop watch using JavaScript.
Employ HTML in regard to the structure of the stopwatch project.
Include CSS to style the stopwatch part of the project.
Enhance the stop watch project by incorporating dynamism into the stopwatch using JavaScript.
The source code of this project can be downloaded by clicking on ‘Download Now’ button or cloning the GitHub repository of the project.
Stopwatch Functionality (watch.js assumed):
Within the container div, there is another div with the class name wrapper that contains the buttons of the stopwatch.
A div with the class time shows the time on the stopwatch. In this case, it employs span elements to depict hours, minutes, seconds, milliseconds as well as colons.
At the start of the program, all these span elements have the textual content “00”.
Another div with the class buttons holds three buttons:
A button with the class start – this is likely to be the button used to start the stopwatch.
There will be a button with the class stop which will probably be used for stopping the watch.
A button likely to be used to reset the stop watch back to zero, whose class is given as the ‘reset’ class.
Functionality (JavaScript assumed):
The given code only depicts the HTML structure and does not include the content to be displayed. The JavaScript file (watch.js) may contain functions used to control the stopwatch.
It would likely use functions to:
Set the timer and change the value of the time displayed on the webpage after a certain number of intervals (like milliseconds or seconds).
A pause button and a ‘freeze’ feature to stop the displayed time instantly are necessary.
Reset the timer back to 00:00:00.
Container Styles:
.container: This block contains styles for the element with the class attribute container.
background: border: 5px #b9802a solid; This specifies that the container div should have a ‘border’ style that is ‘5px in width, #b9802a in color’, and ‘solid’.
display: flex;: This sets the field to apply the flexbox to the appropriate space.
align-items: Middle: This center-aligns the child elements of the box in the middle.
justify-content: center;: This makes the child elements of the container to be aligned horizontally in the middle.
Wrapper Styles:
.wrapper: This block contains styles for the element with the class ‘wrapper’.
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