Expression has changed after it was checked. Previous value: 'true'. Current value: 'false'.
我之前文章:https://blog.csdn.net/qq_36279445/article/details/78706784
當時沒解決好。 全部禁用不太好,畢竟開發模式下完美點比較好
我遇到的問題是一個輸入框,回車事件觸發驗證,檢查輸入內容與某個值是否相等,不相等的好久修改input樣式
程式碼如下
ng應該是render了input之後,判斷了裡面的值並且已經完成了。但是呢, 我一按回車,校驗之後修改了他剛render的地方。所以就給拋異常了。
這位老哥是表單中的,解決方法是:點選開啟連結
老外的解釋和可能的解決方法:點選開啟連結,文章2:點選開啟連結
ng的issue中說了,這是feature,不是bug。 GitHub上有這個
我自己的解決方法
constructor( @Inject(DOCUMENT) private document: Document, private cdr: ChangeDetectorRef,...在我回車進事件的時候,修改那個ngClass裡面的值,就讓ng停止檢查
this.cdr.detach(); // 停止檢測
this.cdr.reattach();
把[ngModel] 去除了,後臺直接賦值的。
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