{"css":"","js":"function identity(val1, val2) {\nif(val1===val2){\n return true;\n}else{\n return false;\n}\n}","html":"","libs":[]}
```首先===判断是否完全相等,为真返回true,为假返回false
{"css":"","js":"function identity(val1, val2) {\nif(val1===val2){\n return true;\n}else{\n return false;\n}\n}","html":"","libs":[]}
```首先===判断是否完全相等,为真返回true,为假返回false