HTML标签转义

// HTML 标签转义
// @param {Array.<DOMString>} templateData 字符串类型的tokens
// @param {...} ..vals 表达式占位符的运算结果tokens
//
function SaferHTML(templateData) {
  var s = templateData[0];
  for (var i = 1; i < arguments.length; i++) {
    var arg = String(arguments[i]);
    // Escape special characters in the substitution.
    s += arg
      .replace(/&/g, "&amp;")
      .replace(/</g, "&lt;")
      .replace(/>/g, "&gt;");
    // Don't escape special characters in the template.
    s += templateData[i];
  }
  return s;
}
// 调用
var html = SaferHTML`<p>这是关于字符串模板的介绍</p>`;