[Code Example] typeof variable == “boolean” Check if type is boolean
akamit
In order to check if type of variable is boolean you can use typeof variable == “boolean”. If it is object then you may use toString.call(obj) === ‘[object Boolean]’. Code…
Browsing Tag
javascript
45 posts
[Code Example] syntaxerror: cannot use import statement outside module
Here is the solution for syntaxerror: cannot use import statement outside a module – 1. Add this to package.json – 2. Or, use type=module in <script> tag – Other issues…
domexception: failed to load because no supported source was found
Browsers like Chrome throws uncaught (in promise) domexception: failed to load because no supported source was found when it is not able to load audio files from url. This sometimes…
[Code Example] uncaught (in promise) DOMexception
uncaught (in promise) DOMexception is raised by browsers when something wrong is there in DOM and exception is thrown but there is no function to catch it. It is generally…
[Code Example] Javascript reduce() method
In this article we will show you few code example on how to use Javasript reduce() method. It is used to run a function over all the elements of the…
[Code Example] how to compare two arrays in javascript
In this article we will provide you code to compare two arrays in javascript. Arrays are sequential in nature. In order to compare them, we need to make sure that…
[Code Error] RangeError: toString() radix argument between 2 and 36
Get code to resolve the RangeError: toString() radix argument must be between 2 and 36. Radix in parseInt() or toString() cannot be less than 2 and greater than 36. This…
[Code Example] SyntaxErr: Not legal ECMA-262 octal constant JavaScript
In this article we will learn with code example, how to resolve SyntaxError: number is not a legal ECMA-262 octal constant. Octal numbers are in the range 0-7. Any number…
[Code Example] comparison function must either function or undefined – JS
In this article we will show you the code to resolve TypeError: The comparison function must be either a function or undefined. It is raised if you provide wrong arguments…
[Code Example] file assigned sourcemappingurl, but already has one – JS
In this article we will show you the code to resolve the warning -file- is being assigned a //# sourceMappingURL, but already has one. This is generally raised when there…
[Code Example] how to loop through an object in javascript
In this article we will provide you code to loop through object in javascript. You can use map() or forEach() function to loop through keys of the object. You can…
[Code Example] how to test code in javascript
In order to test code in javascript, we can use assert() method. It works in the same way as the testing in any other programming language. In this article we…
[Code Example] how to print in javascript
In this article we will provide you code to print in javascript language. By printing you could mean two things – Printing the webpage in printer Displaying the content like…
[Code Example] how to open javascript files
In this article we will provide you the code to open javascript files. You can use any code editor to open js files like notepad++, visual studio code, vim, nano…
[Code Example] how to link javascript to html
In this article we will give you code to add javascript to html. Also we will show you code to link external javascript files in your html code. Code Example…
[Code Example] Call javascript function from html
To call a javascript function from html you need to use events like onclick(), onkeyup(), onmouseover() etc. and pass the javascript function as argument. Code Example – 1. Calling JS…
[Code Example] Convert binary to hexadecimal in JavaScript & ReactJs
In this article we will provide you the code to convert a binary number to hexadecimal in Javascript & ReactJs. The process is to first convert the binary number to…
[Code Example] Convert decimal to binary in javascript & reactjs
To convert a decimal number to a binary number in javascript & reactjs, you can follow these steps – Take a empty string value to hold output. Run a loop…
[Code Example] Convert decimal to hexadecimal in javascript & reactjs
To convert a decimal number to hexadecimal in javascript and reactjs, use these steps – Run a loop till provided value become 0 Take mod by 16 and convert the…
[Code Example] Convert hexadecimal number into decimal in JS & Reactjs
To convert a hexadecimal number into decimal in javascript and reactjs, you can use parseInt() function with base 16. It will take care of provided data if it is in…
