[html] HTML input field hint

This is exactly what you want

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$(document).tooltip({ selector: "[title]",_x000D_
                              placement: "top",_x000D_
                              trigger: "focus",_x000D_
                              animation: false}); 
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<form id="form">_x000D_
    <label for="myinput1">Browser tooltip appears on hover but disappears on clicking the input field. But this one persists while user is typing within the field</label>_x000D_
    <input id="myinput1" type="text" title="This tooltip persists" />_x000D_
    <input id="myinput2" type="text" title="This one also" />_x000D_
</form>
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[ref]