10 JavaScript Coding Mistakes with solutions

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10 JavaScript Coding Mistakes with solutions Not declaring variables properly:Using the wrong comparison operator:Not using semicolons:Not understanding scoping:Using “var” instead of “let” or “const”:Instead, use “let” or “const”:Using “==” instead of “===”:Not using curly braces in if statements:Using “parseFloat” instead of “parseInt”:Not handling asynchronous code properly:Example using a promise:Example using async/await:Not properly scoping variables:Example using … Read more

what is frontend code

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Frontend code refers to the code that runs on the client-side of a web application, typically in a user’s web browser. It consists of HTML, CSS, and JavaScript, and is responsible for rendering the user interface, styling the elements, and handling user interactions. Here’s a brief overview of how frontend code works: HTML (Hypertext Markup … Read more

what is AJAX

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AJAX (Asynchronous JavaScript and XML) is a technology used in web development to allow web pages to send and receive data asynchronously without having to reload the entire page. It is a combination of several technologies including HTML, CSS, JavaScript, and XML/JSON. The main advantage of AJAX is that it enables web applications to dynamically … Read more

JavaScript Code Exercises 4

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JavaScript Code Exercises 4 Exercise 1: Sum All Numbers in a RangeExercise 2: Diff Two ArraysExercise 3: Seek and DestroyExercise 4: Wherefore art thou Exercise 1: Sum All Numbers in a Range Write a function that takes an array of two numbers as input and returns the sum of all the numbers between them, inclusive. … Read more

JavaScript Code Exercises 3

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JavaScript Code Exercises 3 Exercise 1: Title case a sentenceExercise 2: Find the largest number in an arrayExercise 3: Confirm all elements in an array are the sameExercise 4: Count the number of vowels in a string Exercise 1: Title case a sentence Write a function that takes a sentence as input and returns a … Read more

JavaScript Code Exercises 2

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JavaScript Code Exercises 2 Exercise 1: Reverse a stringExercise 2: Factorialize a numberExercise 3: Check for palindromeExercise 4: Find the longest wordExercise 5: Title case a sentenceExercise 6: Return largest numbers in arraysExercise 7: Confirm the endingExercise 8: Repeat a stringExercise 9: Truncate a stringExercise 10: Chunky monkey Exercise 1: Reverse a string Write a … Read more

JavaScript Code Exercises 1

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JavaScript Code Exercises 1 Write a function that takes an array of numbers and returns the sum of all the positive numbers in the array.Write a function that takes an array of strings and returns the shortest string in the array.Write a function that takes a string and returns a new string with all the … Read more

Common HTML Mistakes 3

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Common HTML Mistakes 3 Using outdated code:Ignoring SEO best practices:Overusing div tags:Using too many inline styles:Not using the correct file extensions:Using too many different fonts:Not using proper indentation:Ignoring accessibility requirements:Using invalid HTML:Ignoring cross-browser compatibility: Using outdated code: Solution: Keep up-to-date with HTML standards and avoid using outdated or deprecated code. Ignoring SEO best practices: Solution: … Read more

Common HTML Mistakes 2

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Common HTML Mistakes 2 Using non-ASCII characters:Using inline JavaScript:Using duplicate IDs:Not specifying character encoding:Overusing heading tags:Ignoring responsive design:Forgetting to close self-closing tags:Using too many nested elements:Using non-standard HTML:Not optimizing images: Using non-ASCII characters: Solution: Use ASCII characters to ensure maximum compatibility across different devices and browsers. Using inline JavaScript: Solution: Move JavaScript code into a … Read more

Common HTML Mistakes 1

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Missing DOCTYPE declaration:Unclosed tags:Improper nesting of tags:Missing alt text for images:Using deprecated tags or attributes:Using inline styles instead of CSS:Incorrectly formatted links:Using non-semantic markup:Using tables for layout:Ignoring accessibility: Missing DOCTYPE declaration: Solution: Add a DOCTYPE declaration to the top of your HTML document to specify the version of HTML you are using. Unclosed tags: Solution: … Read more