ReferenceError: _ is not defined

Question

I am using a jQuery based WordPress Twitter widget and receive the error \"ReferenceError: _ is not defined\".

Am not sure how to declare the variable \

Answer 1

You can install it by bower:

Node.js npm install underscore
Meteor.js meteor add underscore
Require.js require(["underscore"], ...
Bower bower install underscore
Component component install jashkenas/underscore

Here's the link to the oficial page http://underscorejs.org/