A switch statement evaluates multiple boolean conditions, while an if statement matches a single value.

A switch statement can only handle numeric values, whereas an if statement can handle any data type.

A switch statement is used for sequential execution, while an if statement is for branching logic.

A switch statement is used for matching a single value against multiple cases, while an if statement evaluates boolean conditions.

for (initialization; condition; increment) { // code to be executed }

for (start; test; step) { // execute code }

for (let i = 0; i < n; i++) // loop body

for (var x in object) { // iterate properties }

The 'break' statement pauses a loop until a condition is met.

The 'break' statement exits a loop when a specific condition is satisfied.

The 'break' statement skips the current iteration of the loop.

The 'break' statement continues the loop until it is manually stopped.

A

B

C

D

for condition in iterable:

if condition: # code to execute

do while condition: # code to execute

while condition: # code to execute

A do-while loop can only execute if the condition is true, while a while loop executes regardless of the condition.

The main difference is that a do-while loop guarantees at least one execution of the loop body, while a while loop may not execute at all if the condition is false.

Both loops execute the body at least once, but a do-while loop checks the condition first.

A while loop is used for infinite iterations, while a do-while loop is for finite iterations.

When needing to execute the same code for different cases.

When checking a range of values for a variable.

When dealing with multiple discrete values for a single variable.

When evaluating a single condition with multiple outcomes.

Zero

One

Two

Three

Use logical operators like '&&' for 'and' and '||' for 'or' to combine conditions.

Check conditions sequentially without logical operators.

Use nested if statements for each condition separately.

Combine conditions using only 'and' without operators.

The 'else if' clause terminates the execution of the program immediately.

The 'else if' clause is used to define a loop structure in the code.

The 'else if' clause serves as a default case when all conditions fail.

The 'else if' clause provides an additional condition to check if the preceding 'if' condition is false.

if (num == 0) { console.log('Zero'); }

if (num % 2 != 0) { console.log('Odd number'); }

if (num < 0) { console.log('Negative number'); }

Example: if (num > 0) { if (num % 2 == 0) { console.log('Positive even number'); } }

The continue statement ends the loop immediately.

The continue statement skips the current iteration of a loop.

The continue statement pauses the loop for a specified time.

The continue statement restarts the loop from the beginning.

for (i in array) { console.log(array[i]); }

for (let i = 1; i <= array.length; i++) { console.log(array[i]); }

for (let i = 0; i < array.length; i++) { print(array[i]); }

for (let i = 0; i < array.length; i++) { console.log(array[i]); }

A for loop is more flexible and allows index control, while forEach is simpler and specifically for arrays.

A for loop requires a callback function, while forEach does not need one.

A for loop iterates over all data types, while forEach is limited to numbers.

A for loop is used for objects, while forEach is only for strings.

Implement a 'stop' function.

Use the 'break' statement.

Utilize a 'return' command.

Use the 'continue' statement.

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0 1 2

3

-1

An infinite loop is a loop that executes only once. To avoid them, always check the loop variable before starting.

An infinite loop is a loop that never ends due to a failure in its exit condition. To avoid them, ensure exit conditions are met and implement safeguards.

An infinite loop is a loop that runs for a fixed number of iterations. To avoid them, use a timer to limit execution.

An infinite loop is a loop that runs in reverse order. To avoid them, use a different programming language.

The default case allows for multiple matches in a switch statement.

The default case is used to define the first case in a switch statement.

The default case is mandatory for every switch statement to function properly.

The default case provides a fallback option for unmatched cases in a switch statement.

You can only use '&&' in if statements to check conditions.

You should avoid using any operators in if statements.

Logical operators are not applicable in if statements.

You can use logical operators like '&&', '||', and '!' in if statements to combine multiple conditions.