Expose internal method Blaze._escape
as Blaze.escapeHtml
Blaze.escapeHtml('<script>alert(123)</script>') // => result is "<script>alert(123)</script>"
Blaze.escapeHtml(1) // => result is error "Uncaught TypeError: x.replace is not a function"
Blaze.escapeHtml(1, 'n/a') // => result is "n/a"
Blaze.escapeHtmlString('<script>alert(123)</script>') // => result is "<script>alert(123)</script>"
Blaze.escapeHtmlString(1) // => result is "1"
Blaze.escapeHtmlString(1, '<b>n/a</b>') // => result is "<b>n/a</b>"