saiz jQuery

jQuery menyediakan beberapa kaedah penting untuk mengendalikan dimensi:

lebar()

height()

innerWidth()

innerHeight()

outerWidth()

outerHeight()

kaedah lebar() dan tinggi()

kaedah lebar() Set atau mengembalikan lebar elemen (tidak termasuk pelapik, jidar atau jidar). Kaedah

height() menetapkan atau mengembalikan ketinggian elemen (tidak termasuk pelapik, jidar atau jidar).

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
  $("button").click(function(){
    var txt="";
    txt+="Width of div: " + $("#div1").width() + "</br>";
    txt+="Height of div: " + $("#div1").height();
    $("#div1").html(txt);
  });
});
</script>
</head>
<body>
<div id="div1" style="height:100px;width:200px;padding:10px;margin:3px;border:2px solid blue;background-color:yellow;"></div>
<br>
<button>显示尺寸</button>
</body>
</html>

kaedah innerWidth() dan innerHeight()

kaedah innerWidth() mengembalikan lebar elemen (termasuk padding).

Kaedah innerHeight() mengembalikan ketinggian elemen (termasuk pelapik). Kaedah

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
  $("button").click(function(){
    var txt="";
    txt+="div 宽度: " + $("#div1").width() + "</br>";
    txt+="div 高度: " + $("#div1").height() + "</br>";
    txt+="div 宽度，包含内边距: " + $("#div1").innerWidth() + "</br>";
    txt+="div 高度，包含内边距: " + $("#div1").innerHeight();
    $("#div1").html(txt);
  });
});
</script>
</head>
<body>
<div id="div1" style="height:100px;width:200px;padding:10px;margin:5px;border:3px solid blue;background-color:yellow;"></div>
<br>
<button>显示尺寸</button>
</body>
</html>

kaedah outerWidth() dan outerHeight()

outerWidth() mengembalikan lebar elemen (termasuk pelapik dan sempadan). Kaedah

outerHeight() mengembalikan ketinggian elemen (termasuk pelapik dan jidar).

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
  $("button").click(function(){
    var txt="";
    txt+="div 宽度: " + $("#div1").width() + "</br>";
    txt+="div 高度: " + $("#div1").height() + "</br>";
    txt+="div 宽度，包含内边距和边框: " + $("#div1").outerWidth() + "</br>";
    txt+="div 高度，包含内边距和边框: " + $("#div1").outerHeight();
    $("#div1").html(txt);
  });
});
</script>
</head>
<body>
<div id="div1" style="height:100px;width:260px;padding:10px;margin:8px;border:5px solid blue;background-color:pink;"></div>
<br>
<button>显示尺寸</button>
</body>
</html>

Meneruskan pembelajaran

fail baharu

<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>php中文网(php.cn)</title> <script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("button").click(function(){ $("div").text($("div").outerWidth(true)); }); }); $(document).ready(function(){ $("button").click(function(){ $("p").text($("p").outerHeight(true)); }); }); </script> <style type="text/css"> div,p{ background-color:yellow; height:100px; width:200px; padding:10px; margin:10px; border:5px solid red; } </style> </head> <body> <div>此处显示数值</div> <p>此处显示数值</p> <button>点击查看</button> </body> </html>

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