Java脚本验证 [英] Java Script Validation

问题描述

我有一个带有多行文字模式和标签的文本框，

我要做的是我的文本框应该允许< = 150个字符，在输入时，我的标签应该显示数字剩余字符留在文本框中输入总共150个字符。

I Have a Text Box with Multiline Text Mode and a Label ,
What i Have to do is my Text Box should allow <=150 characters and while typing, my label should show the number of remaining characters left to enter in Text Box out of total 150 characters .

推荐答案

请参阅此处，

具有MaxLength验证的多行文本框 [ ^ ]

http://stackoverflow.com/questions/11360013/display-number-characters-left-to-reach- maxlength-of-a-telerikradtextbox [ ^ ]

Refer here,
Multiline TextBox with MaxLength Validation[^]
http://stackoverflow.com/questions/11360013/display-number-characters-left-to-reach-maxlength-of-a-telerikradtextbox[^]

同时选中此链接以显示剩余的字符。



http ：//stackoverflow.com/questions/12742595/show-how-many-characters-remaining-in-a-html-text-box-using-javascript [ ^ ]

Also check this link to show the remaining characters.

http://stackoverflow.com/questions/12742595/show-how-many-characters-remaining-in-a-html-text-box-using-javascript[^]

你可以参考下面的使用jquery



http://www.aspsnippets.com/Articles/Character-Count-and-MaxLength-Validation-for-ASPNet-MultiLine- TextBox-TextArea.aspx [ ^ ]



或者这个javascript实现



如何为文本框多行创建字符计数器 [ ^ ]



希望这有帮助......

You can refer below which uses jquery

http://www.aspsnippets.com/Articles/Character-Count-and-MaxLength-Validation-for-ASPNet-MultiLine-TextBox-TextArea.aspx[^]

Or this for javascript implementation

How to make character counter for textbox multiline[^]

Hope this helps...

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