1function escapeHtml(str) {
2    return str.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;").replace(/"/g, "&quot;").replace(/'/g, "&#039;");
3}

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