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