How can I format numbers as dollars currency string in JavaScript?

Manikanth Mani
Published on 25-Jan-2018 12:58:30
To format numbers as dollar current string, use number formatter, which is part of the Internationalization API.ExampleYou can try to run the following code to format numbers as dollars currency stringLive Demo<!DOCTYPE html> <html>    <body>       <p>          Formatting 150 as US dollars (US$): ... Read More

What is the JavaScript version of sleep()?

Alankritha Ammu
Published on 25-Jan-2018 12:56:16
The JavaScript version of sleep() is “await”. The await feature pauses the current aync function.ExampleYou can try to run the following code to implement sleep in JavaScriptLive Demo<!DOCTYPE html> <html>    <body>       <script>          function setSleep(ms) {             return ... Read More

What are default-parameters for function parameters in JavaScript?

Ayyan
Published on 25-Jan-2018 12:54:04
Default parameters came to handle function parameters with ease. You can easily set default parameters to allow initialization of formal parameters with default values. This is possible only if no value or undefined is passed.ExampleLive Demo<html>    <body>       <script>          // default is set ... Read More

Why do we use a plus sign in front of function name in JavaScript?

Anjana
Published on 25-Jan-2018 12:51:54
The +function() {} notation is primarily used to force the parser to treat whatever follows the + as an expression. This is used for functions that are invoked immediately, for example, +function() { alert("Demo!"); }();However, + before a function is one of the symbols. You can add other options also ... Read More

What is the difference between getter and setter in JavaScript?

Akshaya Akki
Published on 25-Jan-2018 12:49:38
GetterWhen a property is accessed, the value gets through calling a function implicitly. The get keyword is used in JavaScript. An identifier, either a number or a string is allowed for set.SetterWhen a property is set, it implicitly calls a function and the value is passed as an argument. With ... Read More

How we can instantiate different python classes dynamically?

Rajendra Dharmkar
Published on 25-Jan-2018 16:16:35
To instantiate the python class, we need to get the class name first. This is achieved by following codedef get_class( kls ):     parts = kls.split('.')     module = ".".join(parts[:-1])     m = __import__( module )     for comp in parts[1:]:         m ... Read More

How to delete a setter using the delete operator in JavaScript?

Manikanth Mani
Published on 25-Jan-2018 12:43:41
To delete a setter using the delete operator, use the delete keyword. Here’s how you can delete −delete obj.nameExampleYou can try to run the following code to learn how to delete a setterLive Demo<html>    <body>       <script>          var department = {     ... Read More

How to delete a getter using the delete operator in JavaScript?

Alankritha Ammu
Published on 25-Jan-2018 12:45:57
To delete a getter using the delete operator, use the delete keyword. Here’s how you can delete −delete obj.nameExampleYou can try to run the following code to learn how to delete a getterLive Demo<html>    <body>       <script>          var department = {     ... Read More

How to define getter and setter functions in JavaScript?

Ayyan
Published on 25-Jan-2018 12:40:19
GetterWhen a property is accessed, the value gets through calling a function implicitly. The get keyword is used in JavaScript. An identifier, either a number or a string is allowed for set.SetterWhen a property is set, it implicitly call a function and the value is passed as an argument. With ... Read More

How to set a default parameter value for a JavaScript function?

Akshaya Akki
Published on 25-Jan-2018 12:36:06
This came to handle function parameters with ease. You can easily set default parameters to allow initialization of formal parameters with default values. This is possible only if no value or undefined is passed. Let’s see an exampleLive Demo<html>    <body>       <script>          // ... Read More
Advertisements