remove all slash from string in js code example

Example 1: javascript remove line breaks from string

var stringWithLineBreaks = `
O boy 
I've got 
Breaks
`;
var stringWithoutLineBreaks = stringWithLineBreaks.replace(/(\r\n|\n|\r)/gm, "");//remove those line breaks

Example 2: remove extra space in string javascript

newString = string.replace(/\s+/g,' ').trim();