JS当前属性查询实现代码_javascript技巧-js教程-、刘德华、刘亦菲、谌洪

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strItem += '<td>' + typeof (obj[i]) + '';

if (obj[i] != null && typeof (obj[i]) == 'object') { 
strItem += '<td><b class="bObject">' + i + ''; 
} 
else { 
strItem += '<td><b>' + i + ''; 
}

if (obj[i] != null && (typeof (obj[i]) == 'string' || typeof (obj[i]) == 'function')) { 
strItem += '<td>' + formatHTML(obj[i]) + ''; 
} 
else { 
strItem += '<td>' + obj[i] + ''; 
}

strItem += ''; 
} catch (e) { 
strItem = '<tr><td class="bError" colspan="3">' + i + ' error:' + e + ''; 
} 
str += strItem; 
} 
str += '';

var div1 = document.getElementById('div1'); 
div1.innerHTML = str; 
var bs = div1.getElementsByTagName('b'); 
for (var i = 0; i < bs.length; i++) { 
if (bs[i].className == 'bObject') { 
bs[i].onclick = show; 
} 
} 
}

function formatHTML(obj) { 
var strHTML = obj.toString(); 
if (strHTML.length > 10000) { 
return '字符长度：' + strHTML.length + '字节'; 
} 
strHTML = strHTML.replace(/&/g, '&'); 
strHTML = strHTML.replace(/, '<'); 
strHTML = strHTML.replace(/>/g, '>'); 
strHTML = strHTML.replace(/\n/g, '<br>'); 
strHTML = strHTML.replace(/\t/g, '    '); 
strHTML = strHTML.replace(/ /g, ' '); 
return strHTML; 
}

function goUp() { 
var txt = document.getElementById('txt');

if (txt.value.lastIndexOf(']') == txt.value.length - 1) { 
txt.value = txt.value.substr(0, txt.value.lastIndexOf('[')); 
getObject(); 
return; 
} 
if (txt.value.indexOf('.') != -1) { 
txt.value = txt.value.substr(0, txt.value.lastIndexOf('.')); 
getObject(); 
return; 
} 
}

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

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JS当前属性查询实现代码_javascript技巧-js教程-

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