javascript动态创建form表单

//helper function to create the form function getNewSubmitForm(){
var submitForm = document.createElement("FORM");
document.body.appendChild(submitForm);
submitForm.method = "POST";
return submitForm;
}
//helper function to add elements to the form
function createNewFormElement(inputForm, elementName, elementValue){
var newElement = document.createElement("<input name="&quot;+elementName+&quot;" type="hidden">");
inputForm.appendChild(newElement);
newElement.value = elementValue;
return newElement;
}
//function that creates the form, adds some elements
//and then submits it
function createFormAndSubmit(){
var submitForm = getNewSubmitForm();
createNewFormElement(submitForm, "field1", "somevalue");
createNewFormElement(submitForm, "field2", "somevalue");
submitForm.action= "someURL";
submitForm.submit();
} </noscript>
<input type="button" value="Click to create form and submit" οnclick="createFormAndSubmit()">

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