1.用正则表达式限制只能输入全角字符: onkeyup="value=value.replace(/[^\uFF00-\uFFFF]/g,'')"onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^\uFF00-\uFFFF]/g,''))" 2.用正则表达式限制只能输入数字:onkeyup="value=value.replace(/[^\d]/g,'') "onbeforepa...
But if you only want to target specific things that submit the form, like button clicks, you'll need to specify in their tags. I only say that because you may not want to use the onsubmit of the form if you have something like a textchanged postback of a textbox - you probably do...
function a(Sname,Smessage) /*格式: function 函数名(参数1,参数2){函数体} 参数在定义时直接给名字就行了不需要指定类型*/ { return Sname+Smessage; } var b=a("William","Welcome"); document.write(b); } //if语句 { var num=10; var num1="10"; if(num==num1) { document.write("相等...
if (event.keyCode==122){event.keyCode=0;event.returnValue=false;} //屏蔽F11 if (event.ctrlKey && event.keyCode==78) event.returnValue=false; //屏蔽 Ctrl+n if (event.shiftKey && event.keyCode==121)event.returnValue=false; //屏蔽 shift+F10 if (window.event.srcElement.tagName == "A" &&...
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target; if (diagram.getObjectType(target) == "group" && diagram.getObjectType(node) == "node") { //Inserts the node into group node.parent = target.name; target.children.push(node.name); } } } When the node is rendered in the diagram, you can use the following events to detect ...
Check if variable is a valid string variable Print sum of range with steps Create a power function & print the result Detect whether page is load on Mobile or Desktop Select/Unselect (Check/Uncheck) all CheckBoxes on Button Click Allow only numbers in TextBox (Restrict Alphabets & Special ...
This example shows how to detect when the selection has changed in a radio group:<head> <script type="text/javascript"> function OnChangeRadio (radio) { alert ("The " + radio.value + " radio is selected."); } </script> </head> <body> Select your sex:<br /><br /> <input ...
document.all.csss.href = "a.css"; 并排显示 display:inline 隐藏焦点 hidefocus=true 根据宽度换行 style="word-break:break-all" 自动刷新 <meta HTTP-EQUIV="refresh" C> 简单邮件 <ahref="[email=aaa@bbb.com?subject=ccc&body=xxxyyy]mailto:aaa@bbb.com?subject=ccc&body=xxxyyy[/email]"> ...
Print Selected Item from SelectBox Add user entered item into ListBox Required Field Validator for TextBox on Submit Move Object with Arrow Keys Function Set Focus on Particular Field in a Form Function Set Customize Text in Browser Status Bar Function Detect & Display Screen Resolution Fu...