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This article mainly shows you "javascript how to remove commas from the string", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "javascript how to remove commas in a string" this article.

In javascript, you can use regular expressions to remove commas from a string through the replace () method, just find all the commas in the string and replace them with empty strings; the syntax "string object .replace (new RegExp (", "," g "),") ".

The operating environment of this tutorial: windows7 system, javascript1.8.5 version, Dell G3 computer.

In js, you can use the replace method to replace all commas with null with regular expressions.

Implementation example:

Create a new html file, named test.html, to explain how js removes all commas from the string.

Within the test.html file, create a string input box using the input tag and set its id to mystr.

In the test.html file, create a button using the button tag, bind the onclick click event to button, and execute the delHao () function when the button is clicked.

Within the js tag, create the delHao () function, within which you get the input object through id, get the input string through the value attribute, and create a regular expression that replaces and removes the comma.

Within the function, the replace method is used to remove commas from the string by replacing all commas with empty ones with regular expressions.

Open the test.html file in the browser, enter the string, and click the button to see the effect of the implementation.

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