Javascript 在HTML5中获取x和y坐标
我有显示内容的章节和文章。我的代码是:Javascript 在HTML5中获取x和y坐标,javascript,jquery,html,article,sections,Javascript,Jquery,Html,Article,Sections,我有显示内容的章节和文章。我的代码是: <section id = "examples"> <article id="item_1"> ... </article> <article id="item_2"> ... </article> <article id="item_3"> ... </article> <article id="item_4">
<section id = "examples">
<article id="item_1">
...
</article>
<article id="item_2">
...
</article>
<article id="item_3">
...
</article>
<article id="item_4">
...
</article>
...
</section>
如何获取所有文章的x和y坐标?您可以使用jQuery或: 考虑到位置是相对于文档的,偏移量计算相对于父偏移量元素的坐标 使用jQuery很容易
$('article').each(function() {
var element = $(this);
var position = element.position();
console.log( "left: " + position.left + ", top: " + position.top );
}
正如@koningdavid以同样的方式指出的那样,您可以使用纯js
var elements = document.getElementsByTagName('article');
for(var i = 0; i < elements.length; i++)
{
var element = elements[i].getBoundingClientRect();
console.log( "left: " + element.left + ", top: " + element.top );
}
Live:我会尝试使用javascript:
// element is each article
// then you can use element.top and element.left for the x and y
var element = document.getElementById('Item_1');
var ele = element.getBoundingClientRect();:
纯Javascript方法
document.querySelector('#item_1').getBoundingClientRect() // for example for #item_1
element.getBoundingClientRect
返回的值是一个TextRectangle对象,它是由getClientRetries为元素返回的矩形的并集,即与元素关联的CSS边框框
返回的值是TextRectangle对象,该对象包含只读的左、上、右和下属性,以像素为单位描述边框框,左上角相对于视口的左上角
您可以使用getBoundingClientRect javascript函数
var div = document.getElementById("item_1");
var position = div.getBoundingClientRect();
alert("Coordinates: " + position.left + "px," + position.right+"px,"+ position.top + "px," + position.bottom + "px" );
JQuery可以接受吗?@Jacek它被JQuery标记@Jacek在他的tagsAhahaha上,thx:。很抱歉忽略了这一点:。您仍然需要循环阅读这些文章。
var div = document.getElementById("item_1");
var position = div.getBoundingClientRect();
alert("Coordinates: " + position.left + "px," + position.right+"px,"+ position.top + "px," + position.bottom + "px" );