JavaScript concatenate string and variable | Simple example code

To make a string out of a string and a passed variable in JS use concatenation to combine the variable to another string. Simply just add a plus sign+ between the strings or string variables you want to connect.

JavaScript concatenate string and variable Example HTML example code:- String and String variable or String Read More…


JavaScript access variable outside the callback | Example code

You can define the variable in function and pass it to callback function in JavaScript. The callback function should have a parameter option. Access to a variable outside of a callback function in javascript HTML example code:-

Output: Do comment if you have any doubts and suggestion on this JS variable topic. RohitDegree in Read More…