on

英[ɒn] 　　美[ɑ:n]

prep. (indicating direction) to; (indicating object) to; (indicating position) on...; (indicating time) at the time of...

adv. (put, wear, connect) on; forward, (continue) go on

adj. active situation, state ;used; happening; planned

select

英[sɪˈlekt] 美[sɪˈlɛkt]

vt.Select; select ;Select

adj.selected;selected;choose;〈口〉choosy, picky

Third person singular: selects Present participle: selecting past Formula: selected past participle: selected

javascript onselect attribute syntax

Function:Occurs when the text in the text box is selected.

Syntax:onselect="SomeJavaScriptCode"

Parameters:SomeJavaScriptCode Required. Specifies the JavaScript to be executed when this event occurs.

javascript onselect attribute example

   

  
 Select text:  

 Select text:  
选中文本框中的内容触发事件

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