feat:bill designing completed

[github-actions[bot]]

List of Implemented Topics:

Topic	Subtopic	Count
Variables	Variables	433
Array	Array Methods	10
Array	Array Declarations	1
Object	Object Declarations	9
Loops	For Loops	26
Loops	Nested Loops	4
Loops	For-Of Loops	1
Functions	Function Declarations	64
Functions	Arrow Functions	30
Functions	Nameless Functions	29
Operators	Comparison Operators	147
Operators	Arithmetic Operators	46
Operators	Unary Operators	6
Operators	Logical Operators	18
Operators	Ternary Operator	1
Conditionals	If Statements	115
Conditionals	Else Statements	30
Conditionals	Else If Statements	30
Timing Events	setTimeout	1
ES5	Destructuring Assignment	1
DOM	querySelector	15
DOM	createElement	192
DOM	appendChild	52
DOM	Event Listeners	69
Web API	localStorage	95
Web API	URL Params	8

[sonarcloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information