How does javascript convert a percentage to a decimal

This article introduces the relevant knowledge of "how javascript converts percentages into decimals". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Methods: 1, use the replace () method to remove the percentage sign, the syntax is "percentage object. Replace ("% ",") "; 2, use the" / "operator to divide the number of the percentage sign by 100, and the syntax is" remove the percentage of the percent sign / 100 "; 3, the percentage that has been divided by 100 can be output.

The operating environment of this tutorial: windows10 system, javascript1.8.5 version, Dell G3 computer.

How does javascript convert percentages to decimals

The replace () method is used to replace some characters in a string with other characters, or to replace a substring that matches a regular expression.

Grammar

StringObject.replace (regexp/substr,replacement)

Return value

A new string is obtained after replacing the first match or all matches of regexp with replacement.

Convert a percentage to a decimal

1. Remove the percent sign first.

two。 Then divide it by 100.

3. Go back out

Examples are as follows:

Var percent = "4.2%"; / / declare function toPoint (percent) {var str=percent.replace ("%", "); str= str/100; return str;} toPoint (percent); var result = toPoint (percent); [xss_clean] (result); / / 0.042

Output result:

This is the end of the content of "how javascript converts percentages to decimals". Thank you for reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!