📜  js strip_tags - Javascript (1)

📅  最后修改于: 2023-12-03 15:32:21.924000             🧑  作者: Mango

js strip_tags - Javascript

JavaScript is a popular client-side programming language used by web developers for creating dynamic and interactive web applications. One useful feature of JavaScript is the ability to remove HTML tags from a string of text. This is accomplished through the use of the strip_tags() function.

What is strip_tags()?

The strip_tags() function is a JavaScript function that removes HTML tags from a string of text. This function takes one parameter, which is the string to be stripped of tags.

function strip_tags(str) {
  return str.replace(/<\/?([a-z][a-z0-9]*)\b[^>]*>/gi, '');
}

The regular expression used in this function will match any opening or closing HTML tag and replace it with an empty string.

How to use strip_tags()?

To use strip_tags(), simply call the function and pass in the string to be stripped of tags.

var htmlString = "<p>This is an <strong>example</strong> of a string with HTML tags.</p>";
var strippedString = strip_tags(htmlString);
console.log(strippedString); // "This is an example of a string with HTML tags."
Why is strip_tags() useful?

strip_tags() can be useful in a variety of situations where HTML tags need to be removed from a string. For example, when working with form fields, it may be necessary to remove any HTML tags that might have been inputted by the user.

var userInput = "<script>alert('hello world');</script>";
var safeInput = strip_tags(userInput);
console.log(safeInput); // "alert('hello world');"

In this example, the strip_tags() function removes the script tags from the user input, making it safe to use in the application.

In conclusion, the strip_tags() function is a useful tool to have in your JavaScript toolkit. It makes it easy to remove HTML tags from a string of text, making it safer to use in your application.