javascript jQuery - css("background-image", variable) 不起作用:(
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jQuery - css("background-image", variable) doesn't work :(
提问by Alex
I'm trying to save the background-image of a element, remove it and then maybe add it back later.
我正在尝试保存元素的背景图像，将其删除，然后再将其添加回来。
var current_bg_image = $("#div").css("background-image");
if(something){
$("#div").css("background-image", "none");
}else{
$("#div").css("background-image", current_bg_image); // not working...
}
The part where the background image is supposed to be added back doesn't work...
But if I change current_bg_imagewith "url(something.jpg)"it works. It seems that css() doesn't work with variables?
其中，背景图像是应该加回的部分不工作......但是，如果我改变current_bg_image与"url(something.jpg)"它的工作原理。似乎 css() 不适用于变量？
回答by Havihavi
Had the same problem, solved by this:
有同样的问题，解决了这个：
var id = $(this).attr("src");
//alert(id);
$('#div').css({'background-image': 'url(' + id + ')',
});
var id = $(this).attr("src");
//alert(id);
$('#div').css({'background-image': 'url(' + id + ')',
});
回答by leek
Your code works fine for me using jQuery 1.5.1. I believe what you will get once saving the background-image value to current_bg_imageis the full path to the image, so try reading that value using Firebug or alert(current_bg_image)and ensure it is what you think it should be.
您的代码使用 jQuery 1.5.1 对我来说效果很好。我相信一旦将 background-image 值保存到图像current_bg_image的完整路径，您将获得什么，因此请尝试使用 Firebug 读取该值，或者alert(current_bg_image)确保它是您认为应该是的。
