What do javascript wildcards refer to?

In this article Xiaobian for you to introduce in detail "what the javascript wildcard refers to", the content is detailed, the steps are clear, the details are handled properly, I hope this "javascript wildcard refers to what" article can help you solve your doubts, following the editor's ideas slowly in-depth, together to learn new knowledge.

Description

1. Wildcard characters are also called dot or period. Wildcard characters. Will match any character.

2. Sometimes you don't know the exact characters in the matching pattern. You can use wildcards like any other character in a regular expression.

Example

Let humStr = "I'll hum a song"; let hugStr = "Bear hug"; let huRegex = / hu./;huRegex.test (humStr); huRegex.test (hugStr); what are the characteristics of JavaScript 1. Js belongs to an interpretive scripting language

2. With the support of most browsers, js can run on multiple platforms and has cross-platform features.

3. Js is a weakly typed scripting language, which has no strict requirements on the data types used. It can convert types, which is simple and easy to use.

4. Js language is highly secure and can only browse information or interact dynamically through a browser, so as to effectively prevent data loss.

5. Object-based scripting language, js can not only create objects, but also use existing objects.

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