问题:imgDom.scrollWidth = NAN;
代码:
class imgF extends React.Component {
render() {
return (
<figure>
<img/>
//图片显示正常
<h2></h2>
</figure>
)
}
}
class App extends React.Component{
componentDidMount(){
......
let imgDom = this.img0,
imgW = imgDom.scrollWidth;
//问题:imgW is NAN...
......
}
render() {
......
let imgs = [];
for(let i = 0; i < 10; i++){
imgs.push(<imgF key={'img' + i} ref={(imgf) => {this['img' + i] = imgf}}/>
}
return (
<section>
{imgs}
</section>
)
}
}