相关疑难解决方法(0)

我有以下模板:

<div>
  <span>{{aVariable}}</span>
</div>

并希望最终得到:

<div "let a = aVariable">
  <span>{{a}}</span>
</div>

有办法吗？

添加一些新的html代码后,我在角度4中收到错误,之前表单工作正常.我尝试评论新的代码,但它仍然无法正常工作 - 该怎么做 - 我研究了这个错误并尝试解决但没有任何帮助 - 我也没有得到问题的确切位置

我的代码:

<form role="form" #adminForm="ngForm" (ngSubmit)="logAdmin(adminForm.form)">
          <div class="form-group">
            <input class="form-control" [(ngModel)]="adminUsername" #adminUsername="ngModel" placeholder="Username" type="text" name="adminUsername"
              required>
            <div *ngIf="adminUsername.touched && adminUsername.errors">
              <div class="alert alert-danger" *ngIf="adminUsername.errors.required">Username is required</div>
            </div>
          </div>
          <div class="form-group">
            <input class="form-control" [(ngModel)]="passwordText" #adminPassword="ngModel" id="adminPassword" name="adminPassword" placeholder="Password"
              type="password" required>
          </div>
          <div class="alert alert-danger" *ngIf="adminPassword.touched && adminPassword.errors">Password is required</div>
          <div class="col-md-6" style="text-align: right">
            <button type="submit" class="btn-yellow" [disabled]="!adminForm.valid">Log In</button>
          </div>
        </form>

我得到的错误:

Error: Cannot assign to a reference or variable!
    at _AstToIrVisitor.visitPropertyWrite (webpack-internal:///../../../compiler/esm5/compiler.js:26550:23)
    at PropertyWrite.visit (webpack-internal:///../../../compiler/esm5/compiler.js:4895:24) …