How to remove all commas from a string in javascript

Javascript method to remove all commas in a string: 1. Use regular expressions to match all commas in the string; 2. Use the replace() method to replace all matching commas with empty characters, syntax "str.replace(/,/g, "")".

The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.

In js, you can use regular expressions to replace all commas with nothing through the replace method.

Let’s take a look at the implementation method:

1. Create a new html file, named test.html, to explain how js removes all commas in strings.

2. In the test.html file, use the input tag to create a string input box and set its id to mystr.

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

4. In the js tag, create the delHao() function. Within the function, obtain the input object through the id, obtain the input string through the value attribute, and create a replacement. Regular expression to remove commas.

#5. Within the function, use the replace method and use regular expressions to replace all commas with nothing to remove commas from the string.

can also be written as:

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

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