when i am running my app.js file i am getting UnhandledPromiseRejectionWarning: MongoParseError: Invalid connection string.
the whole error in my terminal is:
$ node app.js (node:18676) UnhandledPromiseRejectionWarning: MongoParseError: Invalid connection string at parseConnectionString (C:\Users\Dell\Documents\Extra\fruit\node_modules\mongodb\lib\core\uri_parser.js:565:21) at connect (C:\Users\Dell\Documents\Extra\fruit\node_modules\mongodb\lib\operations\connect.js:282:3) at C:\Users\Dell\Documents\Extra\fruit\node_modules\mongodb\lib\mongo_client.js:224:5 at maybePromise (C:\Users\Dell\Documents\Extra\fruit\node_modules\mongodb\lib\utils.js:665:3) at MongoClient.connect (C:\Users\Dell\Documents\Extra\fruit\node_modules\mongodb\lib\mongo_client.js:220:10) at C:\Users\Dell\Documents\Extra\fruit\node_modules\mongoose\lib\connection.js:820:12 at new Promise () at NativeConnection.Connection.openUri (C:\Users\Dell\Documents\Extra\fruit\node_modules\mongoose\lib\connection.js:817:19) at C:\Users\Dell\Documents\Extra\fruit\node_modules\mongoose\lib\index.js:345:10 at C:\Users\Dell\Documents\Extra\fruit\node_modules\mongoose\lib\helpers\promiseOrCallback.js:31:5 at new Promise () at promiseOrCallback (C:\Users\Dell\Documents\Extra\fruit\node_modules\mongoose\lib\helpers\promiseOrCallback.js:30:10) at Mongoose._promiseOrCallback (C:\Users\Dell\Documents\Extra\fruit\node_modules\mongoose\lib\index.js:1135:10) at Mongoose.connect (C:\Users\Dell\Documents\Extra\fruit\node_modules\mongoose\lib\index.js:344:20) at Object. (C:\Users\Dell\Documents\Extra\fruit\app.js:3:10) at Module._compile (internal/modules/cjs/loader.js:1076:30) (Use node --trace-warnings ... to show where the warning was created) (node:18676) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag --unhandled-rejections=strict (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 3) (node:18676) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
(node:18676) UnhandledPromiseRejectionWarning: MongooseError: Operation fruits.insertOne() buffering timed out after 10000ms at Timeout. (C:\Users\Dell\Documents\Extra\fruit\node_modules\mongoose\lib\drivers\node-mongodb-native\collection.js:184:20) at listOnTimeout (internal/timers.js:554:17) at processTimers (internal/timers.js:497:7) (node:18676) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag --unhandled-rejections=strict (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 4)
The Code is given below:

const mongoose=require('mongoose');

mongoose.connect('monogodb://localhost:27017/fruitsDB',{ useNewUrlParser:true,family:4});

const fruitSchema=new mongoose.Schema({
name:String,
rating:Number,
review:String
});

const Fruit=mongoose.model("Fruit",fruitSchema);

const fruit=new Fruit({
name:"Apple",
rating:7,
review:"Pretty Good!"
});

fruit.save();