Javascript code for innerText browser compatibility

The following function receives a parameter, which can be an array or an element and returns the text of the element. Copy codeThe Code is as follows: function text (e ){
Var str = "";
// If an element is input, obtain its child element.
// Otherwise, when it is an array
E = e. childNodes | e;
For (var I = 0; I <e. length; I ++ ){
// Determine the element type
// Obtain the text of a text object. Otherwise, traverse its child element.
Str + = e [I]. nodeType! = 1? E [I]. nodeValue: text (e [I]. childNodes );
}
Return str;
}