how to escape " in javascipr code example

Example 1: javascript escape html

function escapeHtml(str) {
    return str.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;").replace(/"/g, "&quot;").replace(/'/g, "&#039;");
}

Example 2: escape in javascript

escape sequences in javascript
\' single quote
\" doucle quote
\\ backslash
\n newline
\r carriage return
\t tab
\b backspace
\f form feed