admin管理员组

文章数量:1321060

I have a textfield:
<input id='textfield'>
And have a script in <head>, to get text from text field

function save(){ var text_to_save=document.getElementById('textfield').value; }

I would like to save it (var text_to_save) so as user will see the same text if he reload (or reopen) the page.
Thanks!

I have a textfield:
<input id='textfield'>
And have a script in <head>, to get text from text field

function save(){ var text_to_save=document.getElementById('textfield').value; }

I would like to save it (var text_to_save) so as user will see the same text if he reload (or reopen) the page.
Thanks!

  • javascript
  • html
  • string
  • save
Share Improve this question asked Apr 4, 2014 at 14:59 nicaelnicael 19k13 gold badges62 silver badges92 bronze badges
Add a ment  | 

3 Answers 3

Reset to default 2

you can use local storage for this:

function save(){
var text_to_save=document.getElementById('textfield').value;
localStorage.setItem("text", text_to_save); // save the item
}


Now when you reload the page you could retrieve the saved data and display it as follows:

function retrieve(){
var text=localStorage.getItem("text"); // retrieve
document.getElementById('textDiv').innerHTML = text; // display
}


a 'variant', as you put it.

You could try using cookies

Example

Save value to cookie:

document.cookie ='text_to_save='+text_to_save+';';

Read previously saved value:

var saved_text = document.cookie;
document.getElementById('textfield').value=saved_text;

Find out more about cookies here http://www.w3schools./js/js_cookies.asp

You could do this like below:

function getCookieByName( name )
{
    var cookies = document.cookie,
        cookie = cookies.match( '/' + name + '=(.+);/' ),
        match = cookie[0];

    return match;
}

var textToSave = document.getElementById('textfield').value;

document.cookie = 'mySavedText=' + textToSave;

mySavedText is the cookie name, so you could then run the function:

getCookieByName( 'mySavedText' );

and it should return the text you wanted to save.

For more information on cookie handling in Javascript check out the MDN article on it

本文标签： HTMLSave data from text field with javascriptStack Overflow

版权声明：本文标题：HTML - Save data from text field with javascript - Stack Overflow 内容由网友自发贡献，该文观点仅代表作者本人， 转载请联系作者并注明出处：http://www.betaflare.com/web/1742092870a2420372.html， 本站仅提供信息存储空间服务，不拥有所有权，不承担相关法律责任。如发现本站有涉嫌抄袭侵权/违法违规的内容，一经查实，本站将立刻删除。