How to remove carriage return in javascript

How to remove carriage returns in javascript: 1. Create an HTML file; 2. Add a script tag; 3. Create a str variable; 4. Pass "str.replace(/[\r\n]/g ,"");" Just remove the carriage return.

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

javascript How to remove carriage return?

js removes the spaces in the string, carriage return and line feed

For example, the following json string,

The \n in the middle represents a line feed

var str = "{' retmsg':'success ',\n' trans_date':' 20170906'}";
console.log(str);
//"{' retmsg':'success ', //' trans_date':' 20170906'}"
//去掉空格 str = str.replace(/\ +/g,"");
console.log(str);
//"{'retmsg':'success', //'trans_date':'20170906'}"
//去掉回车换行 str = str.replace(/[\r\n]/g,"");
console.log(str);
//"{'retmsg':'success','trans_date':'20170906'}"

Recommended Study: "javascript basic tutorial"

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