How to select items whose sub-tag key's text starts with '001'?
<root>
<item>
<key>001001</key>
<text>thanks</text>
</item>
<item>
<key>001002</key>
<text>very</text>
</item>
<item>
<key>002001</key>
<text>much</text>
</item>
</root>
$(xml).find("item>[filter string]").each(function()
{
alert(this);
});
You need .filter() in this case:
$(xml).find("item").filter(function() {
return $(this).find("key").text().indexOf('001') === 0;
}).each(function() {
alert(this);
});
This filters the items by those having a key element who's text starts with 001. If you could modify the schema at all though, this would be much faster...searching in the children for the filter is a bit expensive overall if you're dealing with many items.
Jake's comment suggestion is a good one if it's an option, if an item had attributes instead of inner elements, you could do it much simpler with the attribute starts-with selector, like this:
$(xml).find("item[key^=001]").each(function() { alert(this); });
<item key="001001" text="thanks">). Even just thekeyif there exists a lot more under an<item>.