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Practice how to check if a string contains the specified characters in JavaScript
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Check whether a string contains the specified text in JavaScript</title> <!--Script tag is added to write JavaScript code inside it--> <script> let myString = "People loving fun use JavaScript to have fun over fun."; //includes() method is used to check whether the string contains "JavaScript" let checkResult = myString.includes("JavaScript"); function myFunction() { if(checkResult == true) { document.getElementById("outPut").innerHTML = "The string contains JavaScript."; } else{ document.getElementById("outPut").innerHTML = "The string does not contain JavaScript."; } } </script> </head> <body> <h1>Check Whether a String Contains the Specified Text in JavaScript?</h1> <button onclick="myFunction()">Click here to see result</button> <p id="outPut"></p> </body> </html>
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