AngularJS HTML DOM

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AngularJS HTML DOM
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AngularJS has directives for binding application data to the attributes of HTML DOM elements.

The ng-disabled Directive
The ng-disabled directive binds AngularJS application data to the disabled attribute of HTML elements.

AngularJS Example
<div ng-app="" ng-init="mySwitch=true">

<p>
<button ng-disabled="mySwitch">Click Me!</button>
</p>

<p>
<input type="checkbox" ng-model="mySwitch">Button
</p>

<p>
{{ mySwitch }}
</p>

</div>
»
Application explained:

The ng-disabled directive binds the application data mySwitch to the HTML button's disabled attribute.

The ng-model directive binds the value of the HTML checkbox element to the value of mySwitch.

If the value of mySwitch evaluates to true, the button will be disabled:

<p>
<button disabled>Click Me!</button>
</p>
If the value of mySwitch evaluates to false, the button will not be disabled:

<p>
<button>Click Me!</button>
</p>
The ng-show Directive
The ng-show directive shows or hides an HTML element.

AngularJS Example
<div ng-app="">

<p ng-show="true">I am visible.</p>

<p ng-show="false">I am not visible.</p>

</div>
»
The ng-show directive shows (or hides) an HTML element based on the value of ng-show.

You can use any expression that evaluates to true or false:

AngularJS Example
<div ng-app="" ng-init="hour=13">

<p ng-show="hour > 12">I am visible.</p>

</div>
»
In the next chapter, there are more examples, using the click of a button to hide HTML elements.

The ng-hide Directive
The ng-hide directive hides or shows an HTML element.

AngularJS Example
<div ng-app="">

<p ng-hide="true">I am not visible.</p>

<p ng-hide="false">I am visible.</p>

</div>
»

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