Created
July 3, 2022 19:10
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Private instance methods and accessors
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| class Banner extends HTMLElement { | |
| // Private variable that cannot be reached directly from outside, but can be modified by the methods inside: | |
| #slogan = "Hello there!" | |
| #counter = 0 | |
| // private getters and setters (accessors): | |
| get #slogan() {return #slogan.toUpperCase()} | |
| set #slogan(text) {this.#slogan = text.trim()} | |
| get #counter() {return #counter} | |
| set #counter(value) {this.#counter = value} | |
| constructor() { | |
| super(); | |
| this.onmouseover = this.#mouseover.bind(this); | |
| } | |
| // private method: | |
| #mouseover() { | |
| this.#counter = this.#counter++; | |
| this.#slogan = `Hello there! You've been here ${this.#counter} times.` | |
| } | |
| } |
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