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December 11, 2015 01:18
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非同期的なアレ
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for (var i = 1; i < 4 ; i++) { | |
var listN = eval("list_"+ i); | |
var cntN = eval("cnt_"+ i); | |
$(listN).click(function(){ | |
// ここのcntNは実行時に参照される = cntNが書き換わっているとその値を読んでしまう | |
// ので値を設定した関数を作ってあげる必要がある | |
$(cntN).animate( | |
{width: "toggle"}, | |
"fast", | |
"easeInQuart" | |
); | |
}); | |
} | |
/////////////////////////////////////////////////// | |
for (var i = 1; i < 4 ; i++) { | |
// evalしなくても平気&class名とかなら.つけなくて大丈夫? | |
var listN = ".list_" + i; | |
var cntN = ".cnt_" + i; | |
$(listN).click(generateAnime(cntN)); | |
} | |
// 関数に渡すことで値の参照を明示的にセットする | |
function generateAnime(target) { | |
return function() { | |
$(target).animate( | |
{width: "toggle"}, | |
"fast", | |
"easeInQuart" | |
); | |
} | |
} | |
/////////////////////////////////////////////////// | |
// これでも動くと思われ | |
for (var i = 1; i < 4 ; i++) { | |
// evalしなくても平気&class名とかなら.つけなくて大丈夫? | |
var listN = ".list_" + i; | |
var cntN = ".cnt_" + i; | |
bindAnime(listN, cntN); | |
} | |
function bindAnime(element, target) { | |
$(element).click(function() { | |
$(target).animate( | |
{width: "toggle"}, | |
"fast", | |
"easeInQuart" | |
); | |
}); | |
} |
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