ngOnChanges(changes: SimpleChanges) { if (changes.highlightText.firstChange) { return; } const { currentValue } = changes.highlightText; if (currentValue) { const regExp = new RegExp(`(${currentValue})`, 'gi')
Ever had the need for multiple "app themes", or even to completely dynamically load CSS based on which customer logs into your application? You could of course bundle all of the various themes into a single CSS entry file, but your application size would suffer a lot. Therefore, in this ...
ng-class:The ngClass directive allows you to dynamically set CSS classes on an HTML element by databinding an expression that represents all classes to be added.一般里面是一个表达式,请参考ngClass $pristine:是一个boolean值,如果为true,说明user没有和form进行交互,也就是说form没有被修改,参考:$pris...
applications which rely on the `navigationId` being present on initial navigations that were handled by the Angular router should instead subscribe to `NavigationCancel` events and perform the `location.replaceState` themselves to add `navigationId` to the Router state. In addition, tests which ass...
And this is applied after dragging a certain number of inputs for example or any other condition which will make the element get disabled or hidden? Yes, it is possible to customize the toolbar items. The below code and example shows how to achieve this. The output of the code and ...
alert('Tags have not been verified!'); return false; } // Format the value by extracting the numeric ID, joining by '|' // and setting it to the hidden input that will be posted document.getElementById('tagsOutput').value = tagsValue.map(item => item.value).join('|'); return ...
Instead, Angular will wait until the component is needed and then dynamically load it into the view. This can improve the performance of your application by reducing the number of components that are loaded at startup.) Les modules sont un concept important dans Angular car ils permettent de ...
In the above demo, result section checkbox value is driven by other checkboxes in checkbox configuration section. In that case change event wont fire as we are changing the value dynamically without user interaction. So we need to check or uncheck the checkbox in result section to fire the ch...
If we need to update the form element in the UI, all we need to do is update the value in the controller. No need to go looking for input fields by IDs or CSS class selectors; just update the model. If we need to get the latest value that the user entered into the form or in...
问带有Leafletjs的angularjsEN我的一个页面上有一个元素。然后，我有一个指令，将元素替换为小叶映射。