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3 methods: 1. Use the "$("td").width (width value)" statement to set the width of the td element. 2. Use the "$("td").css("width","width value")" statement to add a width style to the td element. 3. Use "$("td").css("width","width value")".
The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.
There are many ways to modify the width of elements in jquery:
1. Use the width()
width() method to set the width of the matching element.<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="js/jquery-1.10.2.min.js"></script>
<script>
$(document).ready(function() {
$("button").click(function() {
$("td").width(200);
});
});
</script>
</head>
<body class="ancestors">
<table border="1">
<tr>
<th>商品</th>
<th>价格</th>
</tr>
<tr>
<td>T恤</td>
<td>￥100</td>
</tr>
<tr>
<td>牛仔褂</td>
<td>￥250</td>
</tr>
<tr>
<td>牛仔库</td>
<td>￥150</td>
</tr>
</table><br>
<button>修改td宽度</button>
</body>
</html>
2. Use css()
Use css() to add width style to td element
$(document).ready(function() {
$("button").click(function() {
$("td").css("width","100px");
});
});
3. Use attr()
Use attr() to control the style attribute value and add the width style to the td element$(document).ready(function() {
$("button").click(function() {
$("td").attr("style","width:150px");
});
}); 
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