How to convert string to number in ionic

There are a lot of you are having a problem to convert data types are difficult to solve in the ionic programming situations, because this very language is new, here I will detail instructions for the user to know how to convert data ionic types to string data type integer.

In programming languages such as java, php, c, c++, ... all can move data easily, then in ionic can also create for us data conversion is also an easy way not least in other programming languages.

Here I will do another example of Convert string to number you can consult, if what his comment questions will answer, if in the process built a demo what flaws people looking forward to their feedback can improve more than.

E.g. I have a variable private mPosition: number, present yourself save variables into the phone's memory in the form like this:

localStorage. setItem ("position", "" + this. mPosition);

I will convert the data type string to type int will do the following:

this.mPosition = parseInt this. (localStorage. getItem ("the position"))