[英]How to add an additional value to a input box
我正在嘗試編輯自定義php / JS腳本輸入框,以便使用用戶輸入的值發送自定義后綴。 但是到目前為止,我還沒有成功。
我需要在地址變量上添加“,UK”。
我已經試過了
var address = search_form['address'].value + ",UK",
但是沒有運氣。
getCurrentLocations: function()
{
var self = this,
search_form = document.forms[self.opts.search_form_name],
address = search_form['address'].value,
radius = search_form['radius'].value;
我只是沒有看到地址var附加“,UK”
也許這就是您所需要的?
search_form['address'].value = search_form['address'].value + ", UK";
您需要在存儲附加值之前存儲舊值,然后可以在新變量中創建新值,例如:
var old_address = search_form['address'].value;
var new_address = old_address + ", UK";
您還可以通過使用附加賦值運算符+=
進行附加,例如:
var address = search_form['address'].value;
address += ", UK";
工作示例1:
var address = "Mike Address"; address += ", UK "; console.log(address);
工作示例2:
var address = "Mike Address"; var new_address = address+", UK "; console.log(new_address);
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