What are the Data Types in Javascript?
A data type is a classification that specifies which type of value a variable has and what type of mathematical, relational or logical operations can be applied to it without causing…
Difference between var, let and const in JAVASCRIPT?
Var The var is a keyword that is used to declare a variable,We can declare a variable again even if it has been defined previously in the same scope. syntax…
What Are Element Access Methods In Javascript?
In javascript, we have so many methods for accessing elements but, There are five important or common methods- document.getElementByid document.getElementByTageName document.getElementByClassName document.queryselector document.queryselectorall 1. Document.getElementByid The document method getElementByid() returns an element object representing the element…
How to comment in javascript?
Javascript comments explain the code design. They can also be used to prevent the execution of a section of code if necessary. Comments are ignored while the compiler executes the…
What is JAVASCRIPT, How to add JAVASCRIPT ?
JavaScript is object-oriented programming language which is used by several websites for scripting the webpages. It is an interpreted, full-fledged programming language that enables dynamic interactivity on websites when applied…
what is json_Encode and json_Decode function in PHP?
json_Encode() Function The json_encode() function is an inbuilt function in PHP which is used to convert PHP array into JSON representation, this can return a JSON encoded string on success or false…
How to concatenate string in PHP?
A string is a collection of characters. It offers various types of string operators and these operators have different functionalities such as string concatenation, compare values and to perform Boolean…
What is diff. b/w array PUSH and POP? Explain with example?
The array_push() and array_pop() methods in PHP is used to perform insertions as well as deletions from the object. array_push is used to add value in the array(it always add new value at the…
How to get a random value from a PHP array? Explain with example?
In php, we can get a random value from an array with this function “array_rand()”. this is an inbuilt function in php which is used to fetch a random number…
How to remove duplicate values from PHP array? Explain with example?
In php, array_unique() function is used to remove all the duplicate values from an array, if we have two same values then this function will take first one and removed…
How to convert JSON string to an array in PHP? Explain with example?
we can convert JSON string to an array with the help of json decode() function. This functon accepts the JSON string as the first parameter and a few additional parameters…
How to create an empty array in PHP? explain with example
You may ask, “How to create an empty array in PHP?” This is common in PHP codes, where you may want to store the values of a future computation into…
List of functions available to sort an PHP array? Explain with example?
In PHP, we have six functions for sorting array: sort()= it sort an array in ascending order rsort()= it sort an array in descending order asort()= it sort an array…
How to delete an element from an array? Explain with example?
we have soo many methods to delete an element from an array in php but the most common or mostly used methos are- unset() = This function takes an element…
How to create an array from PHP string? Explain with example?
we can create an array from php string with the help of str_split( ) function in PHP, str_split() is an inbuilt function in PHP and is used to convert the…