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JavaScript - Code reusability

42 bytes added, 15:49, 1 September 2014

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=== Step 1 - Create a function ===

=== Step 2 - Use parameters ===

<syntaxhighlight lang="javascript">

function fn_ValidateFieldIfShown( strTableId, strField, strMessage){

if (document.getElementById(strTableId).style.display == 'inline-table'){

if (document.getElementById(strField).value.length == 0){

<syntaxhighlight lang="javascript">

fn_ValidateFieldIfShown( 'tableid_1', 'strCDA_X_field_0_1', 'Error in question 1');

</syntaxhighlight>

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Philip Lacey

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