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  return text
3      .replace(/&/g, "&")
4      .replace(/</g, "<")
5      .replace(/>/g, ">")
6      .replace(/"/g, """)
7      .replace(/'/g, "'");
8}
9

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

1//escaping HTML with jquery
2var dangerousHTML = "<script>alert('Badabing Baby!');</script>";
3$("#myElementID").text(dangerousHTML); //.text() function will escape and display text
4
5
6//Alternatively, here is plain Javascript escape function
7function escapeHtml(str) {
8    return str.replace(/&/g, "&").replace(/</g, "<").replace(/>/g, ">").replace(/"/g, """).replace(/'/g, "'");
9}