JAVASCRIPT

how to edit a web page

//Paste this in the "console" tab of the Inspect window  
//with this you temporarily edit text of a webpage on your end

javascript:document.body.contentEditable = true; void 0;

how to edit website

document.body.contentEditable = 'true';
document.designMode = 'on';

website edit

document.body.contentEditable = 'true';
document.designMode = 'on';