JavaScript byte Array to String | Example code

An array is actually the ASCII code for a character. String.fromCharCode will convert each code into a character. Use String.fromCharCode with for loop to convert byte array to String in JavaScript. JavaScript byte array to string Example HTML Example code With for loop Here is use of, the String.fromCharCode function: A simple and better way Read More…


JavaScript string to byte array | Convert to Example code

How to convert a string in byteArray using JavaScript? JavaScript Strings are stored in UTF-16. To get UTF-8, you’ll have to convert the String yourself. JavaScript string to byte array example HTML example code. Output: Do comment if you have any doubts and suggestions on this JS Array topic. RohitDegree in Computer Science and Engineer: Read More…


JavaScript JSON Array length | Example code

Use Object.keys(myObject).length method to get JSON array length in JavaScript. In the method, you have to use the data name and filed name to get the length of it. JavaScript JSON Array length Example HTML example code: Counting JSON array length by id, you can also use another filed for it. Output: Do comment if Read More…


JavaScript object Array length | Example code

How can I find the length of all properties contained on an array of objects? Use reduce method on each iteration, add the number of keys of the current object to the accumulator, to sum up the keys of every item: JavaScript object array length Example HTML example code: Output: Use length property to get Read More…


JavaScript object size bytes | Example code

Do loop through the object and check with the condition. If Condition will check typeof and add the byte for that. At the end of the function will return object size in bytes. JavaScript object size bytes Example HTML example code shows the full size of the object- “retained size”. Output: Do comment if you Read More…


JavaScript length of an object | Example code

You can use Object.keys() to get the length of the object in JavaScript. This doesn’t have to modify any existing prototype since Object.keys() is now built-in. Let’s see HTML example code: Sort way Here’s an update as of 2016 and the widespread deployment of ES5 and beyond. For IE9+ and all other modern ES5+ capable Read More…


JavaScript Array length 0 | Zero Check and set Array examples

Using Array length property can set or check array length 0 in JavaScript. This property returns the number of elements in the array. If the number is greater than 0, it evaluates to true. Check Array length 0 or Not Simple checking Array length. Output: Checking zero with if else condition Output: false Set JavaScript Read More…


JavaScript Array count | Get the Array length example

Use length property to get Array count in JavaScript. A length property also used to iterate through by looking at the length property and Create an empty array of fixed lengths, etc. Example count Array in JavaScript HTML example code: Output: Q: How to count certain elements in Array? Answer: Let’s find how many 2s Read More…


Count duplicate elements in array JavaScript | Example code

You have to do some coding in loop to get the count of duplicate elements in array JavaScript. We will do code using the forEach and for loop. JavaScript count same elements in array Example HTML example code: Lengthy code: In this code elements will be fetch from array and will counted in for loop. Read More…


JavaScript count duplicates in an Array of objects | Example code

Use Object.values() and reduce() methods to return new array of objects to count duplicates in array of objects. Another way in JavaScript is use Map and spread syntax … JavaScript count duplicates in an Array of objects Example HTML example code Using Reduce method Output: Using Map and spread syntax … Do comment if you Read More…