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initialization_example.js

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initialization_example.js

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var testValue = '';

console.log('var testValue = \'\'; gives: ', testValue);

var testValue = 0;

console.log('var testValue = 0; gives: ', testValue);

var testValue = null;

console.log('var testValue = null; gives: ', testValue);

var testValue = undefined;

console.log('var testValue = undefined; gives: ', testValue);

var testValue;

console.log('var testValue; gives: ', testValue);

var testValue = '';

console.log('var testValue = \'\'; gives: ', testValue);

var someVar = testValue || 'Default';

console.log('var someVar = testValue || \'Default\' = 0; gives: ', someVar);