React Native & ES6 & emoji All In One

React Native & ES6 & emoji All In One

&& 逻辑运算符

https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Operators/Logical_Operators

"word" && "🍕";
// "🍕"

"word" && "🍕" && "xgqfrms";
// "xgqfrms"

"word" && '🍕'
// "🍕"

"word" && '666'
// "666"

"word" && false;
// false

"word" && true;
// true

"word" && 0;
// 0

"word" && null;
// null

"word" && undefined;
// undefined

"word" && NaN;
// NaN

"word" && Symbol;
// ƒ Symbol() { [native code] }

"word" && {};
// {}

"word" && [];
// []

"word" && (() => console.log(`???`));
// () => console.log(`???`)

"Hello there Bob".split(' ').map((word) => word && '🍕').join(' ');
// "🍕 🍕 🍕"
"Hello there Bob".split(' ').map((word) => word && '🍕');
// (3) ["🍕", "🍕", "🍕"]


XYZ = (word=`123`) => word && '🍕';
// (word=`123`) => word && '🍕'
XYZ(123);
// "🍕"

https://reactnative.cn/docs/handling-text-input/

demos

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