a.html
<html> <head> <title> página principal </title> <script linguage = "javascript" type = "text/javascript"> function OpenNew () {var iM = new IdandMethod (); iM.id = document.getElementById ("txtid"). window.showmodaldialog ("ddd.html", im "" "); } function iDandMethod () {this.id = "ddd"; this.method = Settxt; } function Settxt (str) {document.getElementById ("txtID"). value = str; } </script> </ad Head> <body> <formulário action = "#"> <input id = "txtId" type = "text" value = "xxx! Digite ID aqui!" /> <BR/> <input type = "button" value = "Abra a nova janela" onclick = "OpenNew ()"/> </morm> </body> </html>b.html
<html> <head> <title> página principal </title> <script idioma = "javascript" type = "text/javascript"> var iM; função load () {im = window.dialogarguments; if (im.id == "xxx! Digite id aqui") document.getElementById ("txtid1"). value = "Você entraria de qualquer maneira!"; else document.getElementById ("txtid1"). value = iM.id; } função set () {im.method (document.getElementById ("txtid1"). valor); } </script> </ad Head> <corpo onLload = "load ()"> <formulário action = "#"> <input id = "txtid1" type = "text" value = "ddd"/> <r/> <input type = "button" value = "passa dados" onClick = "set ()"/> </form> </corpo> </ht "