javascript angularjs 如何找到 img 元素的高度和宽度
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时间：2020-10-27 18:51:32 来源:igfitidea点击:
angularjs how to find img element height and width
提问by user1424508
Hi I'm trying to find an image element's height and width in order to resize it. However everytime I use elem.height() or elem.width() I get 0?
嗨，我正在尝试查找图像元素的高度和宽度以调整其大小。但是，每次我使用 elem.height() 或 elem.width() 时我都会得到 0？
html
html
<div>
<img data-ng-src="{{photosrc}}" lightbox-resize-image>
</div>
directive.js
指令.js
.directive('lightboxResizeImage', function() {
return {
restrict: 'A',
link: function(scope, elem, attrs) {
console.log(elem.parent().width()); //==equals 575
console.log(elem.width()); //this always equals 0
}
});
回答by trinhvanhuy
See code below:
见下面的代码：
.directive('lightboxResizeImage', function() {
return {
restrict: 'A',
link: function(scope, elem, attrs) {
console.log(elem.parent().width()); // =575
console.log(elem[0].offsetHeight);
}
}
});
