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JavaScript drawing - Exercises, Practice, Solution

JavaScript drawing [6 exercises with solution]

[An editor is available at the bottom of the page to write and execute the scripts.]

1. Write a JavaScript program to draw the following rectangular shape. Go to the editor
Expected Output :
rectagular shape
Click me to see the solution

2. Write a JavaScript program to draw a circle. Go to the editor
Expected Output :
draw a circle
Click me to see the solution

3. Write a JavaScript program to draw two intersecting rectangles, one of which has alpha transparency. Go to the editor
Expected Output :
intersecting rectangles
Click me to see the solution

4. Write a JavaScript program to draw the following right-angled triangle. Go to the editor
Expected Output :
right angled triangle
Click me to see the solution

5. Write a JavaScript program to draw the following diagram [use moveto() function]. Go to the editor
Expected Output :
draw fun
Click me to see the solution

6. Write a JavaScript program to draw the following diagram [diagonal, white to black circles]. Go to the editor
Expected Output :
diagonal, white to black circles
Click me to see the solution

More to Come !

* To run the code mouse over on Result panel and click on 'RERUN' button.*

Live Demo:

See the Pen javascript-common-editor by w3resource (@w3resource) on CodePen.


Do not submit any solution of the above exercises at here, if you want to contribute go to the appropriate exercise page.



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JavaScript: Tips of the Day

Tagged template literals

function getPersonInfo(one, two, three) {
  console.log(one);
  console.log(two);
  console.log(three);
}

const person = 'Lydia';
const age = 21;

getPersonInfo`${person} is ${age} years old`;

If you use tagged template literals, the value of the first argument is always an array of the string values. The remaining arguments get the values of the passed expressions!

Ref: https://bit.ly/323Y0P6