...tById("myLi").value; x 輸出結(jié)果為: 100 嘗試一下 ? 相關(guān)文章 HTML 參考手冊(cè):HTML <li> value 屬性 Li 對(duì)象
http://www.o2fo.com/jsref/prop-li-value.html...ById("myMeter").high; x 輸出結(jié)果為: 95 嘗試一下 ? 相關(guān)文章 HTML 參考手冊(cè):HTML <meter> high 屬性 Meter 對(duì)象
http://www.o2fo.com/jsref/prop-meter-high.html...例 實(shí)例 下面的例子可檢測(cè)所選項(xiàng)是否是默認(rèn)選項(xiàng): <html> <head> <script> function displayResult() { var x=document.getElementById("mySelect").selectedIndex; var y=document.getElementsByTagName("option"); alert("Is " + y[x].text + " selected by default? " + y[x].d...
http://www.o2fo.com/jsref/prop-option-defaultselected.html... 實(shí)例 實(shí)例 下面的例子可從列表中刪除被選的選項(xiàng): <html> <head> <script> function removeOption() { var x=document.getElementById("mySelect"); x.remove(x.selectedIndex); } </script> </head> <body> <form> <select id="mySelect"> ??&l...
http://www.o2fo.com/jsref/met-select-remove.html...例 本例可返回下拉列表中所選的選項(xiàng)的所屬表單id: <html> <head> <script> function displayResult() { var x=document.getElementById("mySelect").form.id; alert(x); } </script> </head> <body> <form id="form1"> Select your favorite fruit: <...
http://www.o2fo.com/jsref/prop-option-form.html...實(shí)例 本例可返回下拉列表中所選的選項(xiàng)的索引位置: <html> <head> <script> function displayResult() { var x=document.getElementById("mySelect").selectedIndex; var y=document.getElementById("mySelect").options; alert("Index: " + y[x].index + " is " + y[x].text); }...
http://www.o2fo.com/jsref/prop-option-index.html... 屬性 實(shí)例 實(shí)例 本例可更改下拉列表中的被選選項(xiàng): <html> <head> <script> function displayResult() { document.getElementById("orange").selected=true; } </script> </head> <body> <form> Select your favorite fruit: <select> ? <opti...
http://www.o2fo.com/jsref/prop-option-selected.html... 實(shí)例 下面的例子返回下拉列表中所有選項(xiàng)的文本: <html> <head> <script> function displayResult(selTag) { var x=selTag.options[selTag.selectedIndex].text; alert("You selected: " + x); } </script> </head> <body> <form> Select your favorite ...
http://www.o2fo.com/jsref/prop-option-text.html...器都支持 value 屬性 實(shí)例 實(shí)例 顯示已選擇的選項(xiàng)值: <html> <head> <script> function displayResult() { var x=document.getElementById("mySelect").selectedIndex; alert(document.getElementsByTagName("option")[x].value); } </script> </head> <body> <...
http://www.o2fo.com/jsref/prop-option-value.html...t"。IE9 支持 "inherit"。 實(shí)例 實(shí)例 更改單詞間的空間: <html> <head> <script> function displayResult() { document.getElementById("p1").style.wordSpacing="50px"; } </script> </head> <body> <p id="p1">This is some text.</p> <br> <...
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...tById("myLi").value; x 輸出結(jié)果為: 100 嘗試一下 ? 相關(guān)文章 HTML 參考手冊(cè):HTML <li> value 屬性 Li 對(duì)象
http://www.o2fo.com/jsref/prop-li-value.html...ById("myMeter").high; x 輸出結(jié)果為: 95 嘗試一下 ? 相關(guān)文章 HTML 參考手冊(cè):HTML <meter> high 屬性 Meter 對(duì)象
http://www.o2fo.com/jsref/prop-meter-high.html...例 實(shí)例 下面的例子可檢測(cè)所選項(xiàng)是否是默認(rèn)選項(xiàng): <html> <head> <script> function displayResult() { var x=document.getElementById("mySelect").selectedIndex; var y=document.getElementsByTagName("option"); alert("Is " + y[x].text + " selected by default? " + y[x].d...
http://www.o2fo.com/jsref/prop-option-defaultselected.html... 實(shí)例 實(shí)例 下面的例子可從列表中刪除被選的選項(xiàng): <html> <head> <script> function removeOption() { var x=document.getElementById("mySelect"); x.remove(x.selectedIndex); } </script> </head> <body> <form> <select id="mySelect"> ??&l...
http://www.o2fo.com/jsref/met-select-remove.html...例 本例可返回下拉列表中所選的選項(xiàng)的所屬表單id: <html> <head> <script> function displayResult() { var x=document.getElementById("mySelect").form.id; alert(x); } </script> </head> <body> <form id="form1"> Select your favorite fruit: <...
http://www.o2fo.com/jsref/prop-option-form.html...實(shí)例 本例可返回下拉列表中所選的選項(xiàng)的索引位置: <html> <head> <script> function displayResult() { var x=document.getElementById("mySelect").selectedIndex; var y=document.getElementById("mySelect").options; alert("Index: " + y[x].index + " is " + y[x].text); }...
http://www.o2fo.com/jsref/prop-option-index.html... 屬性 實(shí)例 實(shí)例 本例可更改下拉列表中的被選選項(xiàng): <html> <head> <script> function displayResult() { document.getElementById("orange").selected=true; } </script> </head> <body> <form> Select your favorite fruit: <select> ? <opti...
http://www.o2fo.com/jsref/prop-option-selected.html... 實(shí)例 下面的例子返回下拉列表中所有選項(xiàng)的文本: <html> <head> <script> function displayResult(selTag) { var x=selTag.options[selTag.selectedIndex].text; alert("You selected: " + x); } </script> </head> <body> <form> Select your favorite ...
http://www.o2fo.com/jsref/prop-option-text.html...器都支持 value 屬性 實(shí)例 實(shí)例 顯示已選擇的選項(xiàng)值: <html> <head> <script> function displayResult() { var x=document.getElementById("mySelect").selectedIndex; alert(document.getElementsByTagName("option")[x].value); } </script> </head> <body> <...
http://www.o2fo.com/jsref/prop-option-value.html...t"。IE9 支持 "inherit"。 實(shí)例 實(shí)例 更改單詞間的空間: <html> <head> <script> function displayResult() { document.getElementById("p1").style.wordSpacing="50px"; } </script> </head> <body> <p id="p1">This is some text.</p> <br> <...
http://www.o2fo.com/jsref/prop-style-wordspacing.html抱歉,暫時(shí)沒有相關(guān)的文章
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