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Tanvi_sadashiv_1RZ25CS186/Assignment_1/task1.js

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+function greet(name) {
+    return "Hello, " + name + "!";
+}
+
+let message = greet("Tanvi Sadashiv");
+console.log(message);

Tanvi_sadashiv_1RZ25CS186/Assignment_1/task2.js

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+const greet = (name) => {
+    return "Hello, " + name + "!";
+};
+
+const add = (a, b) => {
+    return a + b;
+};
+
+console.log(greet("Tanvi Sadashiv"));
+console.log("Sum: " + add(10, 5));

Tanvi_sadashiv_1RZ25CS186/Assignment_1/task3.js

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+let numbers = [1, 2, 3, 4, 5];
+
+let doubled = numbers.map(num => num * 2);
+
+console.log(doubled);

Tanvi_sadashiv_1RZ25CS186/Assignment_2/task1.js

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+setTimeout(() => {
+    console.log("Hello after 2 seconds!");
+}, 2000);

Tanvi_sadashiv_1RZ25CS186/Assignment_2/task2.js

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+let count = 0;
+
+let timer = setInterval(() => {
+    console.log("Tick...");
+    count++;
+
+    if (count === 5) {
+        clearInterval(timer);
+        console.log("Stopped!");
+    }
+}, 1000);

Tanvi_sadashiv_1RZ25CS186/Assignment_2/task3.js

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+let count = 5;
+
+let timer = setInterval(() => {
+    console.log(count);
+    count--;
+
+    if (count < 0) {
+        console.log("Time's up!");
+        clearInterval(timer);
+    }
+}, 1000);

Tanvi_sadashiv_1RZ25CS186/Assignment_3/task1.js

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+function divide(a, b) {
+    if (b === 0) {
+        throw new Error("Cannot divide by zero!");
+    }
+    return a / b;
+}
+
+try {
+    let result = divide(10, 2);
+    console.log("Result: " + result);
+} catch (error) {
+    console.log("Error: " + error.message);
+}
+
+try {
+    let result = divide(10, 0);
+    console.log("Result: " + result);
+} catch (error) {
+    console.log("Error: " + error.message);
+}

Tanvi_sadashiv_1RZ25CS186/Assignment_3/task2.js

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+try {
+    JSON.parse("not a number");
+} catch (error) {
+    console.log("Invalid JSON!");
+} finally {
+    console.log("Parsing attempt done.");
+}

Tanvi_sadashiv_1RZ25CS186/Assignment_3/task3.js

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+function checkAge(age) {
+    if (age <= 0) {
+        throw new Error("Age must be a positive number!");
+    }
+    if (age < 18) {
+        throw new Error("Too young! Must be 18 or above.");
+    }
+    console.log("Access granted!");
+}
+
+try {
+    checkAge(25);
+} catch (error) {
+    console.log("Error: " + error.message);
+}
+
+try {
+    checkAge(15);
+} catch (error) {
+    console.log("Error: " + error.message);
+}
+
+try {
+    checkAge(-1);
+} catch (error) {
+    console.log("Error: " + error.message);
+}

Tanvi_sadashiv_1RZ25CS186/Assignment_4/task1.js

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+let success = true;
+
+let myPromise = new Promise((resolve, reject) => {
+    setTimeout(() => {
+        if (success) {
+            resolve("Operation Successful!");
+        } else {
+            reject("Operation Failed!");
+        }
+    }, 2000);
+});
+
+myPromise
+    .then(result => {
+        console.log(result);
+    })
+    .catch(error => {
+        console.log(error);
+    });

Tanvi_sadashiv_1RZ25CS186/Assignment_4/task2.js

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+let success = true;
+
+let myPromise = new Promise((resolve, reject) => {
+    setTimeout(() => {
+        if (success) {
+            resolve("Operation Successful!");
+        } else {
+            reject("Operation Failed!");
+        }
+    }, 2000);
+});
+
+myPromise
+.then(result => {
+    console.log("Step 1 - Got result: " + result);
+    return result.toUpperCase();
+})
+.then(upper => {
+    console.log("Step 2 - Uppercased: " + upper);
+    return "Done: " + upper;
+})
+.then(finalMsg => {
+    console.log("Step 3 - Final: " + finalMsg);
+})
+.catch(error => {
+    console.log(error);
+});

Tanvi_sadashiv_1RZ25CS186/Assignment_5/task1.js

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+let p1 = new Promise((resolve) => {
+    setTimeout(() => {
+        resolve("User loaded");
+    }, 1000);
+});
+
+let p2 = new Promise((resolve) => {
+    setTimeout(() => {
+        resolve("Orders loaded");
+    }, 2000);
+});
+
+let p3 = new Promise((resolve) => {
+    setTimeout(() => {
+        resolve("Products loaded");
+    }, 3000);
+});
+
+Promise.all([p1, p2, p3])
+.then(results => {
+    results.forEach(result => {
+        console.log(result);
+    });
+});

Tanvi_sadashiv_1RZ25CS186/Assignment_5/task2.js

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+let p1 = new Promise((resolve) => {
+    setTimeout(() => {
+        resolve("User loaded");
+    }, 1000);
+});
+
+let p2 = new Promise((resolve) => {
+    setTimeout(() => {
+        resolve("Orders loaded");
+    }, 2000);
+});
+
+let p3 = new Promise((resolve) => {
+    setTimeout(() => {
+        resolve("Products loaded");
+    }, 3000);
+});
+
+Promise.race([p1, p2, p3])
+.then(result => {
+    console.log("Winner: " + result);
+});

Tanvi_sadashiv_1RZ25CS186/Assignment_5/task3.js

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+let p1 = new Promise((resolve) => {
+    setTimeout(() => {
+        resolve("User loaded");
+    }, 1000);
+});
+
+let p2 = new Promise((resolve, reject) => {
+    setTimeout(() => {
+        reject("Server error");
+    }, 2000);
+});
+
+let p3 = new Promise((resolve) => {
+    setTimeout(() => {
+        resolve("Products loaded");
+    }, 3000);
+});
+
+Promise.allSettled([p1, p2, p3])
+.then(results => {
+    results.forEach(result => {
+        if (result.status === "fulfilled") {
+            console.log(result.status + " - " + result.value);
+        } else {
+            console.log(result.status + " - " + result.reason);
+        }
+    });
+});

Tanvi_sadashiv_1RZ25CS186/Assignment_6/task1.js

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+let success = true;
+
+let myPromise = new Promise((resolve, reject) => {
+    setTimeout(() => {
+        if (success) {
+            resolve("Operation Successful!");
+        } else {
+            reject("Operation Failed!");
+        }
+    }, 2000);
+});
+
+async function runOperation() {
+    try {
+        let result = await myPromise;
+        console.log("Result: " + result);
+    } catch (error) {
+        console.log("Error: " + error);
+    }
+}
+
+runOperation();

Tanvi_sadashiv_1RZ25CS186/Assignment_6/task2.js

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+let p1 = new Promise((resolve) => {
+    setTimeout(() => {
+        resolve("User loaded");
+    }, 1000);
+});
+
+let p2 = new Promise((resolve) => {
+    setTimeout(() => {
+        resolve("Orders loaded");
+    }, 2000);
+});
+
+let p3 = new Promise((resolve) => {
+    setTimeout(() => {
+        resolve("Products loaded");
+    }, 3000);
+});
+
+async function runAll() {
+    let r1 = await p1;
+    console.log(r1);
+
+    let r2 = await p2;
+    console.log(r2);
+
+    let r3 = await p3;
+    console.log(r3);
+
+    console.log("All done!");
+}
+
+runAll();

Tanvi_sadashiv_1RZ25CS186/Assignment_6/task3.js

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+function dividePromise(a, b) {
+    return new Promise((resolve, reject) => {
+        if (b === 0) {
+            reject("Cannot divide by zero!");
+        } else {
+            resolve(a / b);
+        }
+    });
+}
+
+async function safeDivide(a, b) {
+    try {
+        let result = await dividePromise(a, b);
+        console.log("Result: " + result);
+    } catch (error) {
+        console.log("Error: " + error);
+    }
+}
+
+safeDivide(10, 2);
+safeDivide(10, 0);