angular css 双向绑定的坑 IE

三种情况

1、只用style IE上不起作用

    <div style="background:{{bgColor}}">        This will NOT get colored in IE    </div>

2、用ng-attr-style 兼顾IE

    <div ng-attr-style="background:{{bgColor}}">        But this WILL get colored in IE    </div>

3、用ng-style 此处可以是JSon，可以带条件

    <div ng-style="styleObject">        And so is this... as this uses a json object and   gives that to ng-style    </div>    或者    ng-class="{'arrow-up-active': arrowNavTriangle === 'up' }"