JSON Stringify

JSON.Stringify converts a JSON Object to String. In case of Set, Map it is converted to arrays. It is undefined for Symbol.

JSON.Stringify accepts second parameter as a function called replace which helps to replace any value.

JSON.stringify accepts third parameter for indentation, https://jsbin.com/yotoyiy/1/edit?html,css,js,console

JSON Parse

JSON.parse converts String to JSON.

It has second parameter reviver.

Both functions are working for the conditional statements. Its not working if we return directly some vlaue.

https://jsbin.com/yotoyiy/2/edit?html,css,js,console

Flex box Margin right and left

Today I have noticed in a flex negative values of margins will increase the width and the positove values will reduce the width of the flex box. https://codepen.io/rohinikumar4073/pen/qBBVrVG

rgba

CSS RGBA is very useful to give the opacity only to the background and not the children.