属性：width
值：可以是百分比或者像素
为了便于观察一个元素的大小设置效果，进行了
背景色的设置
");
window.frames["iframe_show463"].document.write(decodeHtml($("textarea#stepcodeTextarea463").val()));
window.frames["iframe_show463"].document.close();
$(window.frames["iframe_show463"]).load(function(){
$("#iframe_show463").height($("#iframe_show463").contents().find("body").height()+showittryitheight);
});
$("#iframe_show463").height($("#iframe_show463").contents().find("body").height()+showittryitheight);
setTimeout(function(){
},500);
});
<style>
p#percentage{
width:50%;
height:50%;
background-color:pink;
}
p#pix{
width:180px;
height:50px;
background-color:green;
}
</style>
<p id="percentage"> 按比例设置尺寸50%宽 50%高</p>
<p id="pix"> 按象素设置尺寸 180px宽 50 px高</p>
<style>
p#percentage{
width:50%;
height:50%;
background-color:pink;
}
p#pix{
width:180px;
height:50px;
background-color:green;
}
</style>
<p id="percentage"> 按比例设置尺寸50%宽 50%高</p>
<p id="pix"> 按象素设置尺寸 180px宽 50 px高</p>
");
window.frames["iframe463"].document.write(decodeHtml(code463));
window.frames["iframe463"].document.close();
//load和下面的非load必需并存，因为如果代码用到了jquery就必须使用load的方式
$(window.frames["iframe463"]).load(function(){
$("#iframe463").height($("#iframe463").contents().find("body").height()+showittryitheight);
});
$("#iframe463").height($("#iframe463").contents().find("body").height()+showittryitheight);
alreadyWriteCode463 = code463;
$("#rendering463").hide();
$("#rendered463").show();
}
var tRereshRetry2DemoPanel463 = setInterval(rereshRetry2DemoPanel463,1000);
var binded463 = false;
$("textarea#stepcodeTextarea463").keyup(function(){
if(!binded463){
$(window).bind('beforeunload',function(){
binded463 = true;
return "xxxx";
});
}
var newCode = $(this).val()
code463 = newCode;
/*below code is replaced by function rereshRetry2DemoPanel()*/
// if(code463!=newCode){
// window.frames["iframe463"].document.write("
");
// window.frames["iframe463"].document.write(decodeHtml($("textarea#stepcodeTextarea463").val()));
// window.frames["iframe463"].document.close();
// $(window.frames["iframe463"]).load(function(){
// $("#iframe463").height($("#iframe463").contents().find("body").height()+showittryitheight);
// });
// code463 = newCode;
// }
});
$(".tryButton463").click(function(){
$("#tryDiv463").show();
$("#stepcodeTextarea463").focus();
$("#stepcodeTextarea463").height(200);
$("#iframe463").height(0);
window.frames["iframe463"].document.write("
");
window.frames["iframe463"].document.write(decodeHtml($("textarea#stepcodeTextarea463").val()));
window.frames["iframe463"].document.close();
//load和下面的非load必需并存，因为如果代码用到了jquery就必须使用load的方式
$(window.frames["iframe463"]).load(function(){
$("#iframe463").height($("#iframe463").contents().find("body").height()+showittryitheight);
});
$("#iframe463").height($("#iframe463").contents().find("body").height()+showittryitheight);
this.scrollIntoView(true);
editor463.focus();
editor463.setSize(null, "250");
$("#rendering463").hide();
$("#rendered463").hide();
});
var mixedMode = {
name: "htmlmixed",
scriptTypes: [{matches: /\/x-handlebars-template|\/x-mustache/i,
mode: null},
{matches: /(text|application)\/(x-)?vb(a|script)/i,
mode: "vbscript"}]
};
var editor463 = CodeMirror.fromTextArea(document.getElementById("stepcodeTextarea463"), {
lineNumbers: true,
styleActiveLine: true,
matchBrackets: true,
mode:"text/html",
theme:"eclipse",
selectionPointer: true,
lineWrapping: true,
extraKeys: {
"Alt-/": "autocomplete",
"Ctrl-F": "findPersistent",
"F8": function(cm) {
cm.setOption("fullScreen", !cm.getOption("fullScreen"));
},
"Esc": function(cm) {
if (cm.getOption("fullScreen")) cm.setOption("fullScreen", false);
}
}
});
editor463.on("change",function(doc){
if(!binded463){
$(window).bind('beforeunload',function(){
binded463 = true;
return "xxxx";
});
}
var newCode = doc.getValue();
code463 = newCode;
$("textarea#stepcodeTextarea463").val(newCode);
if(alreadyWriteCode463!=code463){
lastModifedTime463 = new Date().getTime();
$("#rendering463").show();
$("#rendered463").hide();
}
// alert(doc.getValue());
});
$(".CodeMirror").addClass("form-control");
// var editor463 = CodeMirror.fromTextArea(, {
// lineNumbers: true,
// styleActiveLine: true,
// matchBrackets: true,
// theme:"eclipse",
// });
editor463.on("change",function(doc){
// alert(doc.getValue());
});
$("#tryDiv463").hide();
});
$("div.codemirrorTips span").addClass("glyphicon glyphicon-asterisk");
1. 双击选中单词
2. 三击选中整行
3. CTRL+F 查找
4. F8 全屏编辑，再次点击恢复
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