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willwright82/deepNest.js

Created May 15, 2017 09:34
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Using Javascript to access deeply nested properties
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deepNest.js
// Access "hello" in:
var state = { prop1: { prop2: "hello" } };
// Simple solution creating temporary variables:
var a = state && state.prop1 && state.prop1.prop2
// a = "hello"
// Elegant solution:
var a = ((state || {}).prop1 || {}).prop2
// a = "hello"
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