javascript - 改变元素的尺寸

Question

我想用 jquery 将许多元素 (figcaption) 尺寸更改为 img 尺寸 请帮助我

var width = $("div[caption='true'] img").attr("width");

var height = $("div[caption='true'] img").attr("height");

$("div[caption='true'] figcaption").css("width",width);
$("div[caption='true'] figcaption").css("height",height);

jsfiddle link

Answer 1

试试这个:

$(function() {
    $("div[caption='true']").each(function() {
        var $this  = $(this);
        var image  = $this.find('img')
        var width  = image.width();
        var height = image.height();

        $this.find('figcaption').width(width).height(height);
    });
});

jsFiddle:http://jsfiddle.net/8ge1wvpt/11/