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<!DOCTYPE html> <html> <body> <div id="demo1"></div> <div id="demo2"></div> <div id="demo3"></div> <script> var a = "Lập "; var b = "trình"; var c = " web"; var str1 = a.concat(b, c); var str2 = a.concat(b, " di động"); var str3 = "Java".concat("Script"); document.getElementById("demo1").innerHTML = str1; document.getElementById("demo2").innerHTML = str2; document.getElementById("demo3").innerHTML = str3; </script> </body> </html>
<!DOCTYPE html> <html> <body> <div id="demo1"></div> <div id="demo2"></div> <div id="demo3"></div> <script> var a = "Lập "; var b = "trình"; var c = " web"; var str1 = a.concat(b, c); var str2 = a.concat(b, " di động"); var str3 = "Java".concat("Script"); document.getElementById("demo1").innerHTML = str1; document.getElementById("demo2").innerHTML = str2; document.getElementById("demo3").innerHTML = str3; </script> </body> </html>