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Backdrop discolor

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Write a program using JavaScript so that the user can choose between green, red, blue, white and black and change the background to that color by selecting each color.

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let msg = 'error'
alert(msg) 
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import customtkinter as ctk
from tkinter import messagebox

app = ctk.CTk()
app.title("T_Color")
app.geometry("220x70")

frame = ctk.CTkFrame(app , corner_radius = 0)
frame.pack(fill = "both" , expand = True)

label = ctk.CTkLabel(frame , text = "تغییر تم برنامه" , font = ("B nazanin" , 17))
label.pack(pady = 1)

def changecolor(color):
     if color == "روشن":
          ctk.set_appearance_mode("Light")
     elif color == "تیره":
          ctk.set_appearance_mode("Dark")
     elif color == "سیستم":
          ctk.set_appearance_mode("System")

menu_color = ctk.CTkOptionMenu(frame , values = ["سیستم" , "روشن" , "تیره"] , command = changecolor , font = ("B nazanin" , 15))
menu_color.pack(pady = 1)


app.mainloop()
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body{
            text-align: center;
            padding: 50px;
        }
        select{
            padding: 10px;
            font-size: 16px;
        }
    </style>
</head>
<body>
    <select onchange="changBackgraund(this.value)">
        <option value="#ffcccc">red</option>
        <option value="#ccffcc">green</option>
        <option value="#ccccff">blue</option>
        <option value="#ffffff">waite</option>
        <option value="#000000">black</option>
    </select>
    <script>
        let changBackgraund=(color)=>{
            document.body.style.backgroundColor=color
        }
    </script>
</body>
</html>
<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Change-Color</title>
    <style>
        body{
            display: flex;
            justify-content: center;
            align-items: center;
            flex-direction: column;
        }
        .note{
            font-family: sans-serif , Arial;
            font-size: 2rem;
            font-weight: bold;
            border: 4px solid black;
            border-radius: 10px;
            text-shadow: 5px 5px 8px #66e666;
            margin: 100px;
            padding: 20px;
        }
        .color{
            text-align: center;
            width: 150px;
            height: 50px;
            padding: 5px;
            font-family: sans-serif , Arial;
            font-weight: bolder;
            text-shadow: 5px 5px 8px #66e666;
            border: 5px solid black;
            border-radius: 10px;
        }
    </style>
</head>
<body>

<div class="note">
    <h1>please pick color</h1>
</div>
<div>
    <select class="color">
        <option value="white">White</option>
        <option value="crimson">Crimson</option>
        <option value="forestgreen">Forestgreen</option>
        <option value="dodgerblue">Dodgerblue</option>
        <option value="aqua">Aqua</option>
        <option value="gray">Gray</option>
        <option value="chocolate">Chocolate</option>
        <option value="goldenrod">Goldenrod</option>
    </select>
</div>

<script>
    const grabColor = document.querySelector(".color");
    grabColor.addEventListener('change' , function (){
    const selectedColor = grabColor.value;
    grabColor.style.backgroundColor = selectedColor;
    if (selectedColor){
        document.body.style.backgroundColor = selectedColor;
    }
    });
</script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Practice</title>
    <style>

      .color {
        width: 100px;
        height: 100px;
      }
      #red {
        background-color: red;
      }
      #green {
        background-color: green;
      }
      #blue {
        background-color: blue;
      }
      #white {
        background-color: white;
      }
      #black {
        background-color: black;
      }
    </style>
</head>
<body id="bg">
  <h1>Practices</h1>

  <p>Select a color :</p>

  <div id="red" class="color"> red </div>
  <div id="green" class="color"> green </div>
  <div id="blue" class="color"> blue </div>
  <div id="white" class="color"> white </div>
  <div id="black" class="color"> black </div>

  <script>
    document.getElementById("red").addEventListener("click",() => {
      document.getElementById("bg").style.backgroundColor = "red"
    })
    document.getElementById("green").addEventListener("click",() => {
      document.getElementById("bg").style.backgroundColor = "green"
    }) 
    document.getElementById("blue").addEventListener("click",() => {
      document.getElementById("bg").style.backgroundColor = "blue"
    })
        document.getElementById("white").addEventListener("click",() => {
      document.getElementById("bg").style.backgroundColor = "white"
    })
    document.getElementById("black").addEventListener("click",() => {
      document.getElementById("bg").style.backgroundColor = "black"
    })
  </script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>BOM</title>

</head>
<body>
<select id="changeColor">
    <option value="blue">Blue</option>
    <option value="green">Green</option>
    <option value=""></option>
</select>
<button id="submitBtn">ثبت انتخاب</button>
    <script>
      const bgcolorchange = document.getElementById("changeColor");
  const submitBtn = document.getElementById("submitBtn");
  const body = document.body;

  bgcolorchange.addEventListener("change", function () {
    const selectedColor = this.value;
    if (selectedColor === "blue") {
      body.style.backgroundColor = "blue";
    }
  });

  submitBtn.addEventListener("click", function () {
    const selectedValue = bgcolorchange.value;

    if (selectedValue === "blue") {
      body.style.backgroundColor = "blue";
    } else if (selectedValue === "green") {
      body.style.backgroundColor = "green";
    } else if (selectedValue === "black") {
      body.style.backgroundColor = "black";
    }
  });
    </script>
</body>
</html>
package opp;
import java.util.Scanner;
public class changecolor {
	public static void print(Object message) {
        System.out.println(message);
    }
    public static final String RESET = "\u001B[0m";
    public static final String BG_BLACK = "\u001B[40m";
    public static final String BG_RED = "\u001B[41m";
    public static final String BG_GREEN = "\u001B[42m";
    public static final String BG_YELLOW = "\u001B[43m";
    public static final String BG_BLUE = "\u001B[44m";
    public static final String BG_PURPLE = "\u001B[45m";
    public static final String BG_CYAN = "\u001B[46m";
    public static final String BG_WHITE = "\u001B[47m";
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		System.out.println("For change color :"
				+ "\n1-blue" + "\n2-red" + "\n3-yellow\nPlease Enter the number:");
		int x = sc.nextInt();
		if(x==1) {
			print(BG_BLUE + "Changed background color to blue"); 
			
		}else if(x==2) {
			print(BG_RED + "Changed background color to red"); 
		}else if(x==3) {
			print(BG_YELLOW + "Changed background color to yellow"); 
		}
	}
}
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from tkinter import *
from PIL import Image,ImageTk



class Backgrand:
    def __init__(self):
        self.windo = None
        self.bnt_black = None
        self.bnt_blue = None
        self.bnt_green = None
        self.btn_white = None
        self.btn_pink = None
        self.btn_close = None
        self.img = None
        self.icon = None

    def close_btn_enter(self,e):
        self.btn_close.config(background="brown",fg="white",cursor="hand2")

    def close_btn_leave(self,e):
        self.btn_close.config(background="purple",fg="white",cursor="arrow")


    def close_windo(self):
        self.windo.destroy()



    def bg_color(self,color):
        self.windo.config(background=color)



    def windo_bg(self):
        self.windo = Tk()
        self.windo.title("backgrand")
        self.windo.geometry("300x300")
        self.windo.resizable(False,False)
        self.img = Image.open("image/1157969.png")
        self.icon = ImageTk.PhotoImage(self.img)
        self.windo.iconphoto(False,self.icon)


        self.bnt_black = Button(self.windo,bg="black",width=5,command=lambda:self.bg_color("black"))
        self.bnt_black.pack(padx=5,pady=5)
        self.bnt_blue = Button(self.windo,bg="blue",width=5,command=lambda:self.bg_color("blue"))
        self.bnt_blue.pack(padx=5,pady=5)
        self.bnt_green = Button(self.windo,bg="green",width=5,command=lambda:self.bg_color("green"))
        self.bnt_green.pack(padx=5,pady=5)
        self.btn_white = Button(self.windo,bg="white",width=5,command=lambda:self.bg_color("white"))
        self.btn_white.pack(padx=5,pady=5)
        self.btn_pink = Button(self.windo,bg="pink",width=5,command=lambda:self.bg_color("pink"))
        self.btn_pink.pack(padx=5,pady=5)
        self.btn_close = Button(self.windo,text="close",font=("arial",16),bg="purple",fg="white",width=5,command=self.close_windo)
        self.btn_close.pack(padx=10,pady=10)



        self.btn_close.bind("<Enter>",self.close_btn_enter)
        self.btn_close.bind("<Leave>",self.close_btn_leave)



        self.windo.mainloop()

app = Backgrand()
app.windo_bg()
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