Listar de propiedades de Objetos Javascript
JavaScript
434 visualizaciones desde el 10 de Noviembre del 2022
Con este pequeño script podrás listar cualquier porpiedad de un Objeto Javascript
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<head>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
<script src="jquery.min.js"></script>
</head>
<body>
<script>(function(){
var props = {};
let book ={
"title" : "JavaScript: The Good Parts",
"author" : "Douglas Crockford",
"ISBN" : "0596517742"
};function addObject(obj) {
if (obj == null) return;
try {Object.getOwnPropertyNames(obj).forEach(add);
} catch(ex) {}
if (obj.prototype) {
Object.getOwnPropertyNames(obj.prototype).forEach(add);
}if (typeof obj == "function") {
try {Object.getOwnPropertyNames(new obj).forEach(add);
} catch(ex) {}
} }function add(name) {
props[name] = true;
} /* Object.getOwnPropertyNames(window).forEach(function(thing){ addObject(window[thing]); });*/ try {addObject(jQuery);
} catch(ex) {}
var ta = document.createElement("textarea");
ta.style.fontSize="1.567rem";
ta.style.width = "100%";
ta.style.height = "20em";
ta.style.boxSizing = "border-box";
ta.value = Object.keys(props).sort(cmp).map(function(name){
return JSON.stringify(name);
}).join(",\n");
ta.value = 'var domprops = ' + JSON.stringify({
vars: [],
props: Object.keys(props).sort(cmp)
}, null, 2);
document.body.appendChild(ta);
function cmp(a, b) {
a = a.toLowerCase();
b = b.toLowerCase();
return a < b ? -1 : a > b ? 1 : 0;
}})();</script>
</body>
</html>
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