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Default parameters in ES6 enable a function to use a default value for a parameter if no argument is passed. This enhances code readability and reduces the need for conditional checks. Example: function greet(name = "Guest") { return `Hello, ${name}!`; } console.log(greet()); // Outputs: Hello, Guest! console.log(greet("Alice")); // Outputs: Hello, Alice! This feature is especially useful in scenarios where optional parameters are involved, as it simplifies function declarations. ________________________________________ Why Other Options Are Incorrect: 1. Arrow functions: Arrow functions are a concise syntax for writing functions but do not relate to parameter defaults. 2. Template literals: Template literals allow embedding expressions in strings using backticks, unrelated to parameter handling. 3. Rest parameters: Rest parameters gather multiple arguments into an array, enabling flexible argument handling but do not assign defaults. 4. Destructuring assignment: Destructuring allows unpacking values from arrays or objects but does not deal with function defaults.
All the letters of the word ‘MAGAZINE’ are arranged in alphabetical order from right to left. Then all the consonants are replaced with the previou...
Four of the following five are alike in a certain way and hence form a group. Which one of the following that does not belong to the group?
How many pairs of letters are there in the word “CONVERSION” which has as many letters between them in the word as in the alphabetical series?
When the vowels of the word HIMALAYA are replaced by their immediate successive letter and the consonants are replaced by their immediately preceding le...
If all the vowels in the word ‘CAREFUL’ are changed to the next letter in the English alphabetical order and all the consonants remain the same then...
If each letter of the word ‘REPLACEMENT’ is replaced by its immediate succeeding letter in the alphabetical series, then which of the following is t...
In the word ‘POISON’ all consonants are written as their preceding letter and all vowels are written as their following letters. Now all letters a...
Arrange the following words in ascending order.
A. Continent
B. Country
C. States
D. Earth
E. District
If the consonants of the following words are arranged first, followed by the vowels as per the English alphabetical order and then the consonants are ch...
The position of how many alphabets will remain unchanged if each of the alphabets in the word ‘DECREASE’ is arranged in alphabetical order from left...