AngularJS 退格键 [英] AngularJS backspace keypress

问题描述

我需要在输入中捕获用户的退格.

I need to capture user's backspaces inside an input.

所以我这样做了:

<input type="text" ui-keypress="{8:'removeTagOnBackspace()'}" ng-model="searchStudent" />

然后，在我的控制器中，我已经这样做了，只是为了检查它是否正常工作:

And then, inside my controller I've done this, just to check if it's working:

$scope.removeTagOnBackspace = function() {
    console.log('here');
};

但是没有打印任何东西.这有什么问题?angular 是否能够捕获退格?

But is not printing anything. What is wrong with this? Is angular able to capture backspaces?

推荐答案

知道了！

<input type="text" ng-keydown="removeTagOnBackspace($event)" />

还有:

$scope.removeTagOnBackspace = function (event) {
    if (event.keyCode === 8) {
        console.log('here!');
    }
};

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