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isDef
This function returns true if its argument is neither null nor undefined.
Why
I'm tired of always writing the same function of a single line in all my projects so I add it in npm. This function is eslint OK.
Integration for browser
To integrate it into your project, different ways: add the 3 lines of code below.
or
npm install isnotnull --save
then references like this
or
npm install isnotnull --save
then with gulp, you can concatenate your sources and include "node_modules/isnotnull/distrib/isdef.min.js"
Integration for Node.js
npm install isnotnull --save
const isDef=require("isnotnull");
usage
When using isdef in your sources,
add the tag /* global isDef */
to pass eslint validation.
example