如何通过element.name对javascript对象数组进行排序 [英] How to sort javascript object array by element.name
问题描述
我想要做的是循环遍历表单的所有元素,并验证每个答案。我的代码工作,但是DOM元素的数组是未排序的。我想按照他们的ID对元素进行排序。
这是我的代码,如果我注释了elem.sort(zelementsort);
function zelementsort(a,b){
if(a.name> b.name)
return - 1;
else if(b.name> a.name)
return 1;
else
return 0;
}
var elem = document.getElementById('myform')。
elem.sort(zelementsort);
for(var i = 0; i {
alert(Name =+ elem [i] .name);
}
我想知道问题可能是某些元素没有名字任何人都有另一个更简单的方法来排序DOM元素数组的.name?
应该这样做:
$$('#myForm * [name]')sortBy(function(el){return el.name;});
I am try to write some validation script using javascript and prototype.
What I want to do is to loop through all the elements of a form and validate each answer. My code works, BUT the array of DOM elements is unsorted. I would like to sort the elements by their ID.
Here is the my code, which works fine if I comment-out elem.sort(zelementsort);
function zelementsort(a,b) {
if (a.name > b.name)
return -1;
else if (b.name > a.name)
return 1;
else
return 0;
}
var elem = document.getElementById('myform').elements;
elem.sort(zelementsort);
for(var i = 0; i < elem.length; i++)
{
alert("Name = " + elem[i].name);
}
I wonder if the problem might be that some of the elements do not have names. Anyone have another simpler way of sorting an array of DOM elements by their .name?
This should do it:
$$('#myForm *[name]').sortBy(function(el){ return el.name; });
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