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jqueryでのループ処理
$("ul li").each -> console.log this for li in $("ul li") console.log li
どちらを使いますか?
The text was updated successfully, but these errors were encountered:
var li, _i, _len, _ref;
$("ul li").each(function() { return console.log(this); });
_ref = $("ul li"); for (_i = 0, _len = _ref.length; _i < _len; _i++) { li = _ref[_i]; console.log(li); }
Sorry, something went wrong.
each 上が分かりやすい。 見慣れている(rubyでも使うので。) thisが変わってしまう。
for in bind出来る。
上記ケースバイケース each elementの操作を行う場合は適している。 for in element以外の操作を行う場合は適している。 -> 逆引きするなど。
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jqueryでのループ処理
どちらを使いますか?
The text was updated successfully, but these errors were encountered: