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Clear text box content when a text box becomes focus_javascript technique

WBOY
WBOYOriginal
2016-05-16 16:50:531312browse
Copy code The code is as follows:





Clear the text box content when it becomes focus
<script> <br>window .onload = initAll; <br><br>function initAll(){ <br>var clearText = document.getElementsByTagName("input"); <br>for (var i=0; i<clearText.length; i ){ <BR>clearText[i].onfocus = function ( ){ <BR>this.value = ""; <BR>} <BR>} <BR>} <BR></script>



Text box one:

Text box two:

Text box three:

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