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Сообщение от IndigoHollow
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где я допустил ошибку?
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Это
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Сообщение от IndigoHollow
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if (res.style.display = "none")
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Не условие... Вот условие
if (res.style.display == "none")
<!DOCTYPE html>
<html>
<head>
<!--
<script src='http://code.jquery.com/jquery-latest.js'></script>
<script src="https://code.angularjs.org/1.3.9/angular.min.js"></script>
<script src="https://code.angularjs.org/1.3.9/angular-route.js"></script>
<link rel='stylesheet type=text/css href=tmp.css' />
-->
<style type='text/css'>
div#block1 {
width: 95%;
max-width: 800px;
bottom: 75px;
margin: 200px auto 0;
padding: 20px;
background-color: #ffffff;
display: block;
border: 1px solid #000000;
}
div#buttons {
margin: 20px 0 10px 0;
text-align: center;
}
div#resultbut {
width: 150px;
height: 25px;
padding: 5px 10px;
display: inline-block;
border: 1px solid #000000;
}
div#resultbut:hover {
cursor: pointer;
}
div#result1 {
display: none;
margin: 15px 0 0 0;
}
</style>
<script type='text/javascript'>
function showRes(result_id) {
var res = document.getElementById(result_id);
if (res.style.display == "block") {
res.style.display = "none";
} else {
res.style.display = "block";
};
};
</script>
</head>
<body>
<div id="block1">
<div id="result1">
A - 1<br>B - 2<br>C - 3
</div>
<div id="buttons">
<div href="javascript:void(0)" onclick="showRes('result1')" id="resultbut">Показать</div>
</div>
</div>
</body>
</html>