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-5

let a = 0;
let b = 1;
for (let i = 1; i <= 10; i++) 
 var c = a + b;
 a = b;
 b = c;
 console.log(c);

So I have this little code that apparently works and that gives the sequence of Fibonacci but I still don't understand how the code does its thing so I think need a visual representation with numbers to understand.

javascript loops fibonacci

share|improve this question

edited Mar 24 at 3:58

Code Maniac

13.7k21034

asked Mar 24 at 3:57

hellodarkessmyoldfriendhellodarkessmyoldfriend

12

• 
  
  
  

  
  4
  

  
  
  
  
  
  

  
  
  Code just do exactly what Fibonacci algorithm tells to do.
  
  – zmag
  Mar 24 at 4:04
  

  
  
  
  

add a comment | 

-5

let a = 0;
let b = 1;
for (let i = 1; i <= 10; i++) 
 var c = a + b;
 a = b;
 b = c;
 console.log(c);

So I have this little code that apparently works and that gives the sequence of Fibonacci but I still don't understand how the code does its thing so I think need a visual representation with numbers to understand.

javascript loops fibonacci

share|improve this question

edited Mar 24 at 3:58

Code Maniac

13.7k21034

asked Mar 24 at 3:57

hellodarkessmyoldfriendhellodarkessmyoldfriend

12

• 
  
  
  

  
  4
  

  
  
  
  
  
  

  
  
  Code just do exactly what Fibonacci algorithm tells to do.
  
  – zmag
  Mar 24 at 4:04
  

  
  
  
  

add a comment | 

let a = 0;
let b = 1;
for (let i = 1; i <= 10; i++) 
 var c = a + b;
 a = b;
 b = c;
 console.log(c);

So I have this little code that apparently works and that gives the sequence of Fibonacci but I still don't understand how the code does its thing so I think need a visual representation with numbers to understand.

javascript loops fibonacci

share|improve this question

edited Mar 24 at 3:58

Code Maniac

13.7k21034

asked Mar 24 at 3:57

hellodarkessmyoldfriendhellodarkessmyoldfriend

12

let a = 0;
let b = 1;
for (let i = 1; i <= 10; i++) 
 var c = a + b;
 a = b;
 b = c;
 console.log(c);

let a = 0;
let b = 1;
for (let i = 1; i <= 10; i++) 
 var c = a + b;
 a = b;
 b = c;
 console.log(c);

let a = 0;
let b = 1;
for (let i = 1; i <= 10; i++) 
 var c = a + b;
 a = b;
 b = c;
 console.log(c);

share|improve this question

edited Mar 24 at 3:58

Code Maniac

13.7k21034

asked Mar 24 at 3:57

hellodarkessmyoldfriendhellodarkessmyoldfriend

12

share|improve this question

edited Mar 24 at 3:58

Code Maniac

13.7k21034

asked Mar 24 at 3:57

hellodarkessmyoldfriendhellodarkessmyoldfriend

12

edited Mar 24 at 3:58

Code Maniac

13.7k21034

edited Mar 24 at 3:58

Code Maniac

13.7k21034

asked Mar 24 at 3:57

hellodarkessmyoldfriendhellodarkessmyoldfriend

12

asked Mar 24 at 3:57

hellodarkessmyoldfriendhellodarkessmyoldfriend

12

1 Answer
1

active

oldest

votes

0

Work through it step-by-step:

let a = 0;
let b = 1;

Self-explanatory variable assignment.

for (let i = 1; i <= 10; i++) ...

Iterate from 1 to 10 with i storing the current iteration

var c = a + b;

Make a variable c set to a + b.

a = b;
b = c;

Set a to b and b to c - makes new base values for next iteration.

This example shows all the variables:

let a = 0;
let b = 1;
for (let i = 1; i <= 10; i++) 
 var c = a + b;
 a = b;
 b = c;
 console.log(`a: $a, b: $b, c: $c, i: $i`);

share|improve this answer

answered Mar 24 at 4:02

Jack BashfordJack Bashford

22.4k52051

add a comment | 

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0

Work through it step-by-step:

let a = 0;
let b = 1;

Self-explanatory variable assignment.

for (let i = 1; i <= 10; i++) ...

Iterate from 1 to 10 with i storing the current iteration

var c = a + b;

Make a variable c set to a + b.

a = b;
b = c;

Set a to b and b to c - makes new base values for next iteration.

This example shows all the variables:

let a = 0;
let b = 1;
for (let i = 1; i <= 10; i++) 
 var c = a + b;
 a = b;
 b = c;
 console.log(`a: $a, b: $b, c: $c, i: $i`);

share|improve this answer

answered Mar 24 at 4:02

Jack BashfordJack Bashford

22.4k52051

add a comment | 

0

Work through it step-by-step:

let a = 0;
let b = 1;

Self-explanatory variable assignment.

for (let i = 1; i <= 10; i++) ...

Iterate from 1 to 10 with i storing the current iteration

var c = a + b;

Make a variable c set to a + b.

a = b;
b = c;

Set a to b and b to c - makes new base values for next iteration.

This example shows all the variables:

let a = 0;
let b = 1;
for (let i = 1; i <= 10; i++) 
 var c = a + b;
 a = b;
 b = c;
 console.log(`a: $a, b: $b, c: $c, i: $i`);

share|improve this answer

answered Mar 24 at 4:02

Jack BashfordJack Bashford

22.4k52051

add a comment | 

Work through it step-by-step:

let a = 0;
let b = 1;

Self-explanatory variable assignment.

for (let i = 1; i <= 10; i++) ...

Iterate from 1 to 10 with i storing the current iteration

var c = a + b;

Make a variable c set to a + b.

a = b;
b = c;

Set a to b and b to c - makes new base values for next iteration.

This example shows all the variables:

let a = 0;
let b = 1;
for (let i = 1; i <= 10; i++) 
 var c = a + b;
 a = b;
 b = c;
 console.log(`a: $a, b: $b, c: $c, i: $i`);

share|improve this answer

answered Mar 24 at 4:02

Jack BashfordJack Bashford

22.4k52051

let a = 0;
let b = 1;

for (let i = 1; i <= 10; i++) ...

var c = a + b;

a = b;
b = c;

let a = 0;
let b = 1;
for (let i = 1; i <= 10; i++) 
 var c = a + b;
 a = b;
 b = c;
 console.log(`a: $a, b: $b, c: $c, i: $i`);

let a = 0;
let b = 1;
for (let i = 1; i <= 10; i++) 
 var c = a + b;
 a = b;
 b = c;
 console.log(`a: $a, b: $b, c: $c, i: $i`);

let a = 0;
let b = 1;
for (let i = 1; i <= 10; i++) 
 var c = a + b;
 a = b;
 b = c;
 console.log(`a: $a, b: $b, c: $c, i: $i`);

share|improve this answer

answered Mar 24 at 4:02

Jack BashfordJack Bashford

22.4k52051

answered Mar 24 at 4:02

Jack BashfordJack Bashford

22.4k52051

answered Mar 24 at 4:02

Jack BashfordJack Bashford

22.4k52051