ES6 task

Yasholo · Yasholo · commit 00559c1c4442 · 2023-06-20T19:18:16.000+05:30
diff --git a/ES6/Compare-Scopes-of-the-var-and-let-Keywords_script.js b/ES6/Compare-Scopes-of-the-var-and-let-Keywords_script.js
@@ -0,0 +1,9 @@
+function checkScope() {
+    let i = 'function scope';
+    if (true) {
+      let i = 'block scope';
+      console.log('Block scope i is: ', i);
+    }
+    console.log('Function scope i is: ', i);
+    return i;
+  }
diff --git a/ES6/Complete-a-Promise-with-resolve-and-reject_script.js b/ES6/Complete-a-Promise-with-resolve-and-reject_script.js
@@ -0,0 +1,9 @@
+const makeServerRequest = new Promise((resolve, reject) => {
+
+    let responseFromServer;
+    if(responseFromServer) {
+      resolve("We got the data");
+    } else {  
+      reject("Data not received");
+    }
+  });
diff --git a/ES6/Create-Strings-using-Template-Literals_script.js b/ES6/Create-Strings-using-Template-Literals_script.js
@@ -0,0 +1,15 @@
+const result = {
+    success: ["max-length", "no-amd", "prefer-arrow-functions"],
+    failure: ["no-var", "var-on-top", "linebreak"],
+    skipped: ["no-extra-semi", "no-dup-keys"]
+  };
+  function makeList(arr) {
+    const failureItems = [];
+      for (let i = 0; i < arr.length; i++) {
+      failureItems.push(`<li class="text-warning">${arr[i]}</li>`);
+    }
+  
+    return failureItems;
+  }
+  
+  const failuresList = makeList(result.failure);
diff --git a/ES6/Create-a-JavaScript-Promise_script.js b/ES6/Create-a-JavaScript-Promise_script.js
@@ -0,0 +1,3 @@
+const makeServerRequest = new Promise((resolve, reject) => {
+
+});
diff --git a/ES6/Create-a-Module-Script_index.html b/ES6/Create-a-Module-Script_index.html
@@ -0,0 +1,5 @@
+<html>
+  <body>
+<script type="module" src="index.js"></script>
+  </body>
+</html>
diff --git a/ES6/Create-an-Export-Fallback-with-export-default_script.js b/ES6/Create-an-Export-Fallback-with-export-default_script.js
@@ -0,0 +1,3 @@
+export default function subtract(x, y) {
+    return x - y;
+  }
diff --git a/ES6/Handle-a-Fulfilled-Promise-with-then_script.js b/ES6/Handle-a-Fulfilled-Promise-with-then_script.js
@@ -0,0 +1,14 @@
+const makeServerRequest = new Promise((resolve, reject) => {
+
+    let responseFromServer = true;
+      
+    if(responseFromServer) {
+      resolve("We got the data");
+    } else {  
+      reject("Data not received");
+    }
+  });
+  
+  makeServerRequest.then(result => {
+    console.log(result);
+  });
diff --git a/ES6/Handle-a-Rejected-Promise-with-catch_script.js b/ES6/Handle-a-Rejected-Promise-with-catch_script.js
@@ -0,0 +1,14 @@
+const makeServerRequest = new Promise((resolve, reject) => {
+
+    let responseFromServer = false;
+      
+    if(responseFromServer) {
+      resolve("We got the data");
+    } else {  
+      reject("Data not received");
+    }
+  });
+  
+  makeServerRequest.catch(error  => {
+    console.log(error );
+  });
diff --git a/ES6/Import-a-Default-Export_script.js b/ES6/Import-a-Default-Export_script.js
@@ -0,0 +1,3 @@
+import subtract from "./math_functions.js";
+
+subtract(7,4);
diff --git a/ES6/Mutate-an-Array-Declared-with-const_script.js b/ES6/Mutate-an-Array-Declared-with-const_script.js
@@ -0,0 +1,9 @@
+const s = [5, 7, 2];
+function editInPlace() {
+
+s[0] = 2;
+s[1] = 5;
+s[2] = 7;
+console.log(s);
+}
+editInPlace();
diff --git a/ES6/Prevent-Object-Mutation_script.js b/ES6/Prevent-Object-Mutation_script.js
@@ -0,0 +1,13 @@
+function freezeObj() {
+    const MATH_CONSTANTS = {
+      PI: 3.14
+    };
+  Object.freeze(MATH_CONSTANTS);
+    try {
+      MATH_CONSTANTS.PI = 99;
+    } catch(ex) {
+      console.log(ex);
+    }
+    return MATH_CONSTANTS.PI;
+  }
+  const PI = freezeObj();
diff --git a/ES6/Reuse-JavaScript-Code-Using-import_script.js b/ES6/Reuse-JavaScript-Code-Using-import_script.js
@@ -0,0 +1,5 @@
+import { uppercaseString } from './string_functions.js';
+import { lowercaseString } from './string_functions.js';
+
+uppercaseString("hello");
+lowercaseString("WORLD!");
diff --git a/ES6/Set-Default-Parameters-for-Your-Functions_script.js b/ES6/Set-Default-Parameters-for-Your-Functions_script.js
@@ -0,0 +1 @@
+const increment = (number, value = 1) => number + value;
diff --git a/ES6/Use-Arrow-Functions-to-Write-Concise-Anonymous-Functions_script.js b/ES6/Use-Arrow-Functions-to-Write-Concise-Anonymous-Functions_script.js
@@ -0,0 +1,3 @@
+const magic = () => {
+    return new Date();
+  };
diff --git a/ES6/Use-Destructuring-Assignment to-Assign-Variables-from-Nested-Objects_script.js b/ES6/Use-Destructuring-Assignment to-Assign-Variables-from-Nested-Objects_script.js
@@ -0,0 +1,8 @@
+const LOCAL_FORECAST = {
+    yesterday: { low: 61, high: 75 },
+    today: { low: 64, high: 77 },
+    tomorrow: { low: 68, high: 80 }
+  };
+  
+  const { today: { low: lowToday, high: highToday }} = LOCAL_FORECAST;
+  
diff --git a/ES6/Use-Destructuring-Assignment-to-Assign-Variables-from-Arrays_script.js b/ES6/Use-Destructuring-Assignment-to-Assign-Variables-from-Arrays_script.js
@@ -0,0 +1,2 @@
+let a = 8, b = 6;
+[a, b] = [b, a];
diff --git a/ES6/Use-Destructuring-Assignment-to-Assign-Variables-from-Objects_script.js b/ES6/Use-Destructuring-Assignment-to-Assign-Variables-from-Objects_script.js
@@ -0,0 +1,8 @@
+const HIGH_TEMPERATURES = {
+    yesterday: 75,
+    today: 77,
+    tomorrow: 80
+  };
+  
+  const { today: highToday, tomorrow: highTomorrow } = HIGH_TEMPERATURES;
+  
diff --git a/ES6/Use-Destructuring-Assignment-to-Extract-Values-from-Objects_script.js b/ES6/Use-Destructuring-Assignment-to-Extract-Values-from-Objects_script.js
@@ -0,0 +1,8 @@
+const HIGH_TEMPERATURES = {
+    yesterday: 75,
+    today: 77,
+    tomorrow: 80
+  };
+  
+  const {today, tomorrow} = HIGH_TEMPERATURES;
+  
diff --git a/ES6/Use-Destructuring-Assignment-to-Pass-an-Object-as-a-Function's-Parameters_script.js b/ES6/Use-Destructuring-Assignment-to-Pass-an-Object-as-a-Function's-Parameters_script.js
@@ -0,0 +1,11 @@
+const stats = {
+    max: 56.78,
+    standard_deviation: 4.34,
+    median: 34.54,
+    mode: 23.87,
+    min: -0.75,
+    average: 35.85
+  };
+  
+  const half = ({ max, min }) => (max + min) / 2.0;
+  
diff --git a/ES6/Use-Destructuring-Assignment-with-the-Rest-Parameter-to-Reassign-Array-Elements_script.js b/ES6/Use-Destructuring-Assignment-with-the-Rest-Parameter-to-Reassign-Array-Elements_script.js
@@ -0,0 +1,7 @@
+const source = [1,2,3,4,5,6,7,8,9,10];
+function removeFirstTwo(list) {
+
+  const [,,...arr] = list;
+  return arr;
+}
+const arr = removeFirstTwo(source);
diff --git a/ES6/Use-class-Syntax-to-Define-a-Constructor-Function_script.js b/ES6/Use-class-Syntax-to-Define-a-Constructor-Function_script.js
@@ -0,0 +1,8 @@
+class Vegetable {
+    constructor(name) {
+      this.name = name;
+    }
+  }
+  
+  const carrot = new Vegetable('carrot');
+  console.log(carrot.name);
diff --git a/ES6/Use-export-to-Share-a-Code-Block_script.js b/ES6/Use-export-to-Share-a-Code-Block_script.js
@@ -0,0 +1,7 @@
+export const uppercaseString = (string) => {
+    return string.toUpperCase();
+  }
+  
+  export const lowercaseString = (string) => {
+    return string.toLowerCase()
+  }
diff --git a/ES6/Use-getters-and-setters-to-Control-Access-to-an-Object_script.js b/ES6/Use-getters-and-setters-to-Control-Access-to-an-Object_script.js
@@ -0,0 +1,13 @@
+class Thermostat {
+  constructor(fahrenheit) {
+    this.fahrenheit = fahrenheit;
+  }
+  
+  get temperature() {
+    return (5 / 9) * (this.fahrenheit - 32);
+  }
+  
+  set temperature(celsius) {
+    this.fahrenheit = (celsius * 9.0) / 5 + 32;
+  }
+}
diff --git a/ES6/Use-the-Rest-Parameter-with-Function-Parameters_script.js b/ES6/Use-the-Rest-Parameter-with-Function-Parameters_script.js
@@ -0,0 +1,4 @@
+const sum = (...args) => {
+    return args.reduce((a, b) => a + b, 0);
+  }
+  
diff --git a/ES6/Use-the-Spread-Operator-to-Evaluate-Arrays-In-Place_script.js b/ES6/Use-the-Spread-Operator-to-Evaluate-Arrays-In-Place_script.js
@@ -0,0 +1,6 @@
+const arr1 = ['JAN', 'FEB', 'MAR', 'APR', 'MAY'];
+let arr2;
+
+arr2 = [...arr1]; 
+
+console.log(arr2);
diff --git a/ES6/Use-to-Import-Everything-from-a-File_script.js b/ES6/Use-to-Import-Everything-from-a-File_script.js
@@ -0,0 +1,4 @@
+import * as stringFunctions from "./string_functions.js";
+
+stringFunctions.uppercaseString("hello");
+stringFunctions.lowercaseString("WORLD!");
diff --git a/ES6/Write-Arrow-Functions-with-Parameters_script.js b/ES6/Write-Arrow-Functions-with-Parameters_script.js
@@ -0,0 +1,5 @@
+const myConcat = (arr1, arr2) => {
+    return arr1.concat(arr2);
+  };
+  
+  console.log(myConcat([1, 2], [3, 4, 5]));
diff --git a/ES6/Write-Concise-Declarative-Functions-with-ES6_script.js b/ES6/Write-Concise-Declarative-Functions-with-ES6_script.js
@@ -0,0 +1,8 @@
+const bicycle = {
+    gear: 2,
+    setGear(newGear) {
+      this.gear = newGear;
+    }
+  };
+  bicycle.setGear(3);
+  console.log(bicycle.gear);
diff --git a/ES6/Write-Concise-Object-Literal-Declarations-Using-Object-Property-Shorthand_script.js b/ES6/Write-Concise-Object-Literal-Declarations-Using-Object-Property-Shorthand_script.js
@@ -0,0 +1 @@
+const createPerson = (name, age, gender) => ({name, age, gender});
diff --git a/ES6/moverenamefile.sh b/ES6/moverenamefile.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+# Define the parent directory
+parent_directory="/mnt/a57ccb77-a765-4dca-b87c-b337ac842dee/Sharedvm/FreeCodeCamp-JavaScript-Algorithms-and-Data-Structures/ES6"
+
+# Define the destination directory
+destination_directory="/mnt/a57ccb77-a765-4dca-b87c-b337ac842dee/Sharedvm/FreeCodeCamp-JavaScript-Algorithms-and-Data-Structures/nf"
+
+# Iterate through directories in the parent directory
+for dir in "$parent_directory"/*/; do
+    # Extract the directory name
+    dirname=$(basename "$dir")
+
+    # Move files from each directory to the destination directory and rename them
+    find "$dir" -type f -exec bash -c 'mv "$1" "$2"/"$3_${1##*/}"' bash {} "$destination_directory" "$dirname" \;
+done

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+const makeServerRequest = new Promise((resolve, reject) => {`
	`2`	`+`
	`3`	`+});`
-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +<html>
 +  <body>
 +<script type="module" src="index.js"></script>
 +  </body>
 +</html>
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+export default function subtract(x, y) {`
	`2`	`+ return x - y;`
	`3`	`+ }`
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+import subtract from "./math_functions.js";`
	`2`	`+`
	`3`	`+subtract(7,4);`