Javascript code for getting the entire page document _ javascript skills

When AJAX is used to request the current page on the current page, the returned HTML of the entire page & #183; & #183; since it is the whole page, it also includes the only thing to note when declaring the document:
InnerText and textContent cannot be used when the page is displayed. Otherwise, the page will be parsed. InnerText and textContent are the differences between browsers and FF except FF.

The Code is as follows:

Var innerText = document. body. innerText? 'Innertext': 'textcontent ';

The preceding statement is processed at the beginning to avoid multiple judgments.
Demo texture:

Demo:

The Code is as follows:

 
Rest