JavaScript Alphabet Array | Simple example code

There are many ways to create or assign an Alphabet values in JavaScript Array. Simplicity and naturally readable array: Create Alphabet Array JavaScript HTML example code: Generating the alphabet in JavaScript 1. Split method 2. short ES6 version 3. Map function Output: It will same for all methods are used. Do comment if you have Read More…


Convert JavaScript string to ASCII Array | Example code

Use a for-loop to loop through the given string to get ASCII code, and use charCodeAt() method. A charCodeAt() method retrieves a Unicode value (or ASCII code) for a character at a specific position in a string. Assign that Unicode value to a variable and add that value into the array. JavaScript string to ASCII Read More…


Byte Array to Base64 JavaScript | Examples code

Use fromCharCode() and btoa() method to Byte array to base64 in JavaScript. The fromCharCode() method converts Unicode values into characters. It is a static method of the String object. The btoa() method encodes a string in base-64. Convert a bytes array to base64 String example A function/program that converts an array of bytes (i.e.: an Read More…


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 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…