Related Articles

Related Articles

JavaScript | compile() Method
  • Last Updated : 09 Aug, 2019

The compile() Method in JavaScript is used to compile the regular expression while executing of script i.e compile the regular expression. It is also used to recompile and change the regular expression.
Syntax:

RegExpObject.compile(RegExp, modifier)

Where RexExp refers to the regular expression and modifier is used to specify the type of matching.
Example : This example changes the initial string and then again changes it on using compile() method.

filter_none

edit
close

play_arrow

link
brightness_4
code

<!DOCTYPE html>
<html>
  
<body style="text-align:center">
    <h1 style="color:green">
      GeeksforGeeks
  </h1>
    <h2>
      compile() Method
  </h2>
    <p>
        String: GeeksforGeeks is the 
      computer science portal for geeks.
    </p>
    <button onclick="geek()">
        Click it!
    </button>
    <p id="app"></p>
    <p id="app1"></p>
    <script>
        function geek() {
            var str =
                "GeeksforGeeks is the computer"
            + " science portal for geeks.";
            
            var patt = /geek/g;
            var str2 = str.replace(patt, "GFG");
            
            document.getElementById("app").innerHTML =
                " <b>Initial:</b> " + str2;
  
            patt = /(Geeks)/gi;
            patt.compile(patt);
            
            str2 = str.replace(patt, "GEEKS");
            document.getElementById("app1").innerHTML =
                " <b>After using compile():</b> " + str2;
        }
    </script>
</body>
  
</html>

chevron_right


Output:
Before clicking the button:
compile
After clicking the button:
compile

Supported Browsers: The browsers supported by JavaScript compile() Method are listed below:

  • Google Chrome
  • Apple Safari
  • Mozilla Firefox
  • Opera
  • Internet Explorer

full-stack-img




My Personal Notes arrow_drop_up
Recommended Articles
Page :