javascript当中document.forms的用法
javascript当中document.forms的用法
2.document.forms 例 2.1（FormActionSubmitIEFF.html） <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8"/> <TITLE></TITLE> <SCRIPT LANGUAGE="JavaScript"> /* JavaScript syntax: - myObject.onclick = aHandler HTML syntax: <A onClick="..."> <AREA onClick="..."> <HTMLTag onClick="..."> <INPUT onClick="..."> Form object (Object/HTML) An object representing an HTML <FORM> tag. */ function clickH(actUrl) { /*Document.forms[] (Collection) An array containing a list of all the forms in the document.*/ var fm = document.forms[0]; /*Form.action (Property) A property that contains the submit action method for the <FORM>. JavaScript syntax: - myForm.action HTML syntax: <FORM ACTION="..."> */ fm.action = actUrl; /*Form.submit() (Method) Invoke a form submit to the server.*/ fm.submit(); } </SCRIPT> </HEAD> <BODY> <FORM METHOD=POST> <input name="name" type="text"/><br> <input type="button" value="提交到第一个地址" onClick="clickH('1.htm?k=b')"/> <input type="button" value="提交到第二个地址" onClick="clickH('2.htm')"/> </FORM> </BODY> </HTML> 例 2.2（FormObjectReferenceIEFF.html） <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8"/> <SCRIPT LANGUAGE="JavaScript"> <!-- function test() { var txt1 = document.forms[0].elements[0].value var txt2 = document.regForm.username.value var psw1 = document.forms[0].elements[1].value var psw2 = regForm.psw.value; with(document) { write("document.forms[0].elements[0].value-->"+txt1+"<br>") write("document.regForm.username.value-->"+txt2+"<br>") write("document.forms[0].elements[1].value-->"+psw1+"<br>") write("regForm.psw.value-->"+psw2+"<br>") } }
更多请见：https://blog.csdn.net/qq_43650923/article/details/103046648
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