轉(zhuǎn)成字符串

// good
const totalScore = String(this.reviewScore);

轉(zhuǎn)成數(shù)字

const inputValue = '4';

// bad
const val = new Number(inputValue);

// bad
const val = +inputValue;

// bad
const val = inputValue >> 0;

// bad
const val = parseInt(inputValue);

// good
const val = Number(inputValue);

// good
const val = parseInt(inputValue, 10);

轉(zhuǎn)成布爾

const age = 0;

// bad
const hasAge = new Boolean(age);

// good
const hasAge = Boolean(age);

// good
const hasAge = !!age;