js禁用复制，粘贴，选择，剪切，查看源文件
js禁用复制，粘贴，选择，剪切，查看源文件
<body oncopy="return false;" onpaste="return false;" onselectstart="return false;" oncut="return false;">
<input type="text" name="company_fax" id="company_fax" size="30" maxlength="20" onkeypress="checktel()" style="ime-mode:disabled" onpaste="return false;" tabindex="1"/>
禁止查看源文件：
<body oncontextmenu='return false' ondragstart='return false' onselectstart ='return false' onselect='document.selection.empty()' oncopy='document.selection.empty()' onbeforecopy='return false' onmouseup='document.selection.empty()'>
有提示语的禁止功能代码：
<script>
function stop(){
alert('请拨打0532-89778210联系我们');
return false;
}
document.oncontextmenu=stop;
</script>
<body onselectstart="return false" onpaste="return false" oncopy="return false;"
oncut="return false;" >
