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Component to be tested: <ng-template #defaultPlaceholder> Loading... </ng-template> <div class="loading-container" *ngIf="loading$ | async"> <ng-conta 阅读全文
posted @ 2020-03-25 19:29
Zhentiw
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Component: <div class="loading-placeholder" [ngClass]="extraClass"> <ng-container *ngIf="loadingService.config.showContent"> <ng-content></ng-c 阅读全文
posted @ 2020-03-24 22:15
Zhentiw
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You'll often find yourself going through a tutorial where you need to copy some code from a webpage and create a file and paste the contents onto your 阅读全文
posted @ 2020-03-23 16:26
Zhentiw
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[Javascript] Create an Async Generator and Loop Through Generated Promises with "For Await Of" Loops
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Generators can yield promises which can work with the "for await of" loop syntax. This lesson shows how all the pieces fit together and explains why t 阅读全文
posted @ 2020-03-22 02:59
Zhentiw
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The "for await of" loop syntax enables you to loop through an Array of Promises and await each of the responses asynchronously. This lesson walks you 阅读全文
posted @ 2020-03-22 02:55
Zhentiw
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Read from blog 阅读全文
posted @ 2020-03-22 02:47
Zhentiw
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NaN == NaN // false NaN NaN // false Object.is(NaN, NaN) // true Number.isNaN(NaN) // true typeof NaN // number Because NaN is number type, so there i 阅读全文
posted @ 2020-03-22 02:24
Zhentiw
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-0 0 // true 阅读全文
posted @ 2020-03-22 02:19
Zhentiw
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posted @ 2020-03-22 02:16
Zhentiw
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const app = document.getElementById('app'); app.innerHTML = ` <h1>JavaScript DOM</h1> <ul> <li>1</li> </ul> `; const ul = app.querySelector('ul'); ul. 阅读全文
posted @ 2020-03-21 20:43
Zhentiw
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