javascript escape single quote

1var someStr = 'He said "Hello, my name is Foo"';
2console.log(someStr.replace(/['"]+/g, ''));

1stringToEscape.replace(/"/g, '\\\"')

1function escapeHTML(text) {  
2    var replacements= {"<": "&lt;", ">": "&gt;","&": "&amp;", """: "&quot;"};                      
3    return text.replace(/[<>&"]/g, function(character) {  
4        return replacements[character];  
5    }); 
6}

1var string = 'this isn\'t a double quoted string';
2var string = "this isn\"t a single quoted string";
3//           ^         ^ same types, hence we need to escape it with a backslash