【javascript】——封装typeof
function typeOf(value) {
var ret = typeof(value);
var template = {
"[object Array]": "array",
"[object Object]": "object",
"[object Number]": "number - object",
"[object Boolean]": "boolean - object",
"[object String]": "string - object"
}
if (value === null) {
return null;
}else if (ret == ‘object‘) {
var str = Object.prototype.toString.call(value);
return template[str];
}else {
return ret;
}
}
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