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Here we going to learn simple javascript calculator code. Generally for beginners, they think its difficult to writing code for calculator. But its not that much difficult in the codding.
We just know only simple things in function like add, sub, mutli and div functions in php. If you know that then the calci code is very simple, you may try it now
javascript calculator code

Step 1:
First create html file

Step 2: Add Css file for the page

Step 3: Add javascript for the calci function.

Here the Demo –

See the Pen KpvNZR by Rajaseka G (@SekarG) on CodePen.

How to use for loop concept for php using find array values

for loop is used to initialize the code for how many times it should run.

syntax

for (initialization counter; total counter; increment counter) {
    code to be executed;
}

for example

output

for loop php is used to count and auto increment the array values using loop.

What is Array?

An array is a variable, which can hold more than one value at a time.
php Array basic function defined as
array();

example

For more explanation about array

What is Array? how to use  php array?

An array is a variable, which can hold more than one value at a time.
php array basic function defined as
array();

example

Three Types of Php array

1. Indexed array
2. Assocaiative array
3. Mutlidimentional array

Click Here to know indexed array