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数据类型判断 #71
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function getType(o) {
const res = Object.prototype.toString.call(o);
let str = Array.from(res.split(" ")[1]);
str.pop();
return str.join('');
} |
function getType(data) {
// [object ]
let type = Object.prototype.toString.call(data)
return type.substring(8, type.length-1)
} |
|
function getType(obj){
let type = typeof obj;
if (type !== "object") { // 先进行typeof判断,如果是基础数据类型,直接返回
return type;
}
// 对于typeof返回结果是object的,再进行如下的判断,正则返回结果
return Object.prototype.toString.call(obj).replace(/^\[object (\S+)\]$/, '$1');
} |
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Object.prototype.toString.call(obj).slice(8, -1).toLowerCase()
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