COMPUTER SCIENCE AND ENGINEERING
ALGORITHMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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run each time an “if” condition is true
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run when an “if” condition is false
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run every time an “if” statement runs
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do not need an “if” statement
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Detailed explanation-1: -The elseif statement is only executed if the preceding if expression and any preceding elseif expressions evaluated to false, and the current elseif expression evaluated to true .
Detailed explanation-2: -Definition and Usage. The if/else statement executes a block of code if a specified condition is true. If the condition is false, another block of code can be executed. The if/else statement is a part of JavaScript’s “Conditional” Statements, which are used to perform different actions based on different conditions.
Detailed explanation-3: -The else statement If we want our programs to execute a different set of instructions when the condition is false, then we can use an else statement.
Detailed explanation-4: -A number 0, an empty string “”, null, undefined, and NaN all become false . Because of that they are called “falsy” values. Other values become true, so they are called “truthy”.