JS Statements and Arrays

Statement:

Order : Executes from top to bottom, ending with a semicolon.

branching : Let the program execute different code depending on the condition.

If statement: Determines whether the given condition is satisfied, according to the result of the decision (true or false) decide to perform one of the two operations given.

Basic syntax:

1. if (condition) {code}.

2. if (condition) {Code}else{code}.

3. if (condition) {code}else if (condition) {Code}else{code}.

Switch...case statement:: First set the expression n (usually a variable). The value of the subsequent expression is compared to the value of each case in the structure. If there is a match, the code block associated with the case is executed. Use break to prevent your code from automatically running down a case.

Basic syntax:

Switch (variable)

{

Case x:

x= "Output Amount";

Break

Case y:

y= "Output Amount";

Break

}

Break: Jumps out of the loop, enclosing the curly braces.

Continue: Jump out of this cycle.

Cycle:

Looping through a function (executing a piece of code)

Four elements: cyclic initial value; cyclic condition; state change; Loop body.

For loop:

While loop:

Not to be continued ....

JS Statements and Arrays