js replace(a,b) method to replace all specified characters in a string

As shown below:

 var str = 'abcadeacf';var str1 = str.replace('a', 'o');alert(str1); // Print result: obcadeacfvar str2 = str.replace(/a/g, 'o');alert(str2); // Print result: obcodeocf,

Note: The first parameter of replace here is a regular expression, and /g is the full text matching identifier.

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