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Angular-cli - Invalid left-hand side expression in postfix operation | |
"Bug for UglifyJS2" | |
I solved it | |
Solution for me. | |
Install nodejs Last version (Download website: https://nodejs.org ) | |
(Global package) |
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let aNumber: any = "5"; | |
let result : number = (<number>aNumber) + 6; | |
console.log(result); // 11 |
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let aString: any = "bamossza"; | |
let length : number = (<string>aString).length; | |
console.log(length); // 8 |
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let student: [string, number] | |
student = ["bamossza", 1] | |
//แต่ถ้าแบบนี้ผิดเพราะว่าระบุค่าไม่ถูกต้องตามชนิดที่กำหนด | |
student = [1 , "bamossza"] // Type 'number' is not assignable to type 'string'. |
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let eiei: void = undefined; | |
let eiei: void = null; |
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function setName(name: string): void { | |
this.name = name | |
} |
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enum userStatus { | |
Active = 1, | |
Inactive, | |
Block, | |
} | |
จากโค้ดข้างบนจะได้ว่า Active = 1, Inactive = 2, Block = 3 | |
let status = userStatus.Active; | |
console.log(status); // Result: 1 |
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enum userStatus { | |
Active, | |
Inactive, | |
Block | |
} | |
.. | |
let status = userStatus.Active; | |
console.log(status); // Result: 0 |
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let anything: Array<any> = ['a', 'b', 1, 3, true]; |
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let aString: string = 'Hi bamossza'; | |
let aNumber: number = '095504'; | |
let aBoolean: boolean = true or false; | |
let anArray: Array<string> = ['apple', 'banana']; | |
let anything1: any = 'a'; | |
let anything2: any = 1; | |
let anything3: any = true; |
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