html escape string code example

Example 1: html escape characters

Escapes or unescapes an HTML file removing traces of offending characters that could be wrongfully interpreted as markup.

The following characters are reserved in HTML and must be replaced with their corresponding HTML entities:

" is replaced with "
& is replaced with &
< is replaced with &lt;
> is replaced with &gt;

Example 2: javascript escape html

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

Example 3: jquery escape html string

//escaping HTML with jquery
var dangerousHTML = "<script>alert('Badabing Baby!');</script>";
$("#myElementID").text(dangerousHTML); //.text() function will escape and display text


//Alternatively, here is plain Javascript escape function
function escapeHtml(str) {
    return str.replace(/&/g, "&").replace(/</g, "<").replace(/>/g, ">").replace(/"/g, """).replace(/'/g, "'");
}