jquery replace character in string code example

Example 1: jquery replace element

$("elementsSelector").replaceWith( "<h2>New content</h2>" );

Example 2: javascript replace string

var str = "JavaScript replace method test";
var res = str.replace("test", "success");  
//res = Javscript replace method success

Example 3: javascript replace

var res = str.replace("find", "replace");