To match date, use $match along with aggregate(). Let us create a collection with documents −> db.demo491.insertOne({"ShippingDate":new ISODate("2020-01-10")});{    "acknowledged" : true,    "insertedId" : ObjectId("5e849a09b0f3fa88e22790be") } > db.demo491.insertOne({"ShippingDate":new ISODate("2020-02-21")});{    "acknowledged" : true,    "insertedId" : ObjectId("5e849a0eb0f3fa88e22790bf") } > db.demo491.insertOne({"ShippingDate":new ISODate("2020-03-23")});{    "acknowledged" : true,    "insertedId" : ObjectId("5e849a1db0f3fa88e22790c0") ... Read More

For all elements of a field in MongoDB, use find() and in that, use $elemMatch. The $elemMatch operator matches documents that contain an array field with at least one element that matches all the specified query criteria.Let us create a collection with documents −> db.demo624.insertOne({"ListOfName":["John", "Chris", "David", "Bob"]}); {   ... Read More

Yes, to search an array of objects, use $unwind in MongoDB aggregate(). To match, use $match. Let us create a collection with documents −> db.demo623.insertOne( ...    { ...       _id:1, ...       details:[ ...          { ...           ... Read More

To fix this, use $dateFromString in MongoDB aggregate(). The $dateFromString converts a date/time string to a date object.Let us create a collection with documents −> db.demo619.insertOne({"DueDate":"10-10-2020"}); {    "acknowledged" : true,    "insertedId" : ObjectId("5e99d7846c954c74be91e69e") } > db.demo619.insertOne({"DueDate":"12-01-2019"}); {    "acknowledged" : true,    "insertedId" : ObjectId("5e99d7996c954c74be91e69f") } > db.demo619.insertOne({"DueDate":"28-10-2010"}); ... Read More

Remove document using remove(), whose value is matched with $eq from a MongoDB collection. The $eq operator matches documents where the value of a field equals the specified value.Let us create a collection with documents −> db.demo626.insertOne({id:1, "Name":"Chris"}); {    "acknowledged" : true,    "insertedId" : ObjectId("5e9ac6376c954c74be91e6ae") } > db.demo626.insertOne({id:2, ... Read More

To redirect to another webpage using JavaScript, the code is as follows −Example Live Demo Redirect to a Webpage Example Redirect Click the above button to Redirect to another Webpage    document .querySelector(".redirectBtn") .addEventListener("click", redirectFunction);    function redirectFunction() {       location.href("https://tutorialspoint.com/");    } OutputThe ... Read More

To create a speed converter with HTML and JavaScript, the code is as follows −Example Live Demo    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    }    input, span {       font-size: 20px;    } Speed Converter ... Read More

To create a length converter with HTML and JavaScript, the code is as follows −Example Live Demo    body{       font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;    }    input, span{       font-size: 20px;    } Length Converter Type length ... Read More

To create a temperature converter with HTML and JavaScript, the code is as follows −Example Live Demo    body{       font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;    }    input, span{       font-size: 20px;    } Temperature Converter Type Temperature ... Read More

To create a weight converter with HTML and JavaScript, the code is as follows −Example Live Demo    body{       font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;    }    input, span{       font-size: 20px;    } Weight Converter Type weight ... Read More