JavaScript 必修篇 - 前端修練全攻略
本日任務對照課程為:字串處理實用方法、字串轉數字方法、數字轉字串方法。
請使用 trim() 的方式將以下字串濾掉空白:
let myEmail = " 123456@gmail.com";
let myPassword = " 987654321";
myEmail = `請在此使用trim()方法過濾空白`;
myPassword = `請在此使用trim()方法過濾空白`;
console.log(myEmail)
console.log(myPassword)
請使用 parseInt() 將以下字串轉型為數字:
let a = "1";
let b = "2";
a = `請在此使用 parseInt() 將字串轉型為數字`;
b = `請在此使用 parseInt() 將字串轉型為數字`;
let c = a + b;
console.log(c)
請使用 toString() 將以下數字轉型為字串:
let countryCode = 886;
let myNumber = 123456789;
countryCode = `請在此使用 toString() 將數字轉型為字串`;
myNumber = `請在此使用 toString() 將數字轉型為字串`;
let myPhoneNumber = countryCode + "+" + myNumber;
console.log(myPhoneNumber)
Fork 一份此範例,並將答案寫在 CodePen 複製 CodePen 連結貼至下方作業投稿區中回報就算完成了喔!
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