CakePHP multiple scriptBlock JavaScript code must come in one single HTML <script> Tag

Question

I have multiple scriptBlock in my code which is coming from different pages, but it should create one single <script> tag for all JavaScripts written in CakePHP scriptBlock.

My below example code is creating separate <script> Tags for each.

echo $this->Html->scriptBlock(
    'jQuery(".investment-table tbody>tr").show()',
    ['block' => true]
);

echo $this->Html->scriptBlock(
    'jQuery(".investment-table tbody>tr").hide()',
    ['block' => true]
);

echo $this->Html->scriptBlock(
    'jQuery(".investment-table tbody>tr").remove()',
    ['block' => true]
);

Please suggest a proper method to achieve this from many pages.

ndm · Accepted Answer · 2020-11-10 12:24:22Z

HtmlHelper::scriptBlock() is by default ment to create a single <script> element for each call.

It shouldn't really be a problem though, as:

<script>jQuery(".investment-table tbody>tr").show()</script>
<script>jQuery(".investment-table tbody>tr").hide()</script>
<script>jQuery(".investment-table tbody>tr").remove()</script>

and

<script>
jQuery(".investment-table tbody>tr").show()
jQuery(".investment-table tbody>tr").hide()
jQuery(".investment-table tbody>tr").remove()
</script>

are functionally identical.

However, for the sake of the argument, if you for whatever reason needed things to into the same element, you could for example write to a custom block, and then output that custom block in a script block, something along the lines of this:

$this->append(
    'mergedScripts',
    'jQuery(".investment-table tbody>tr").show();'
);

$this->append(
    'mergedScripts',
    'jQuery(".investment-table tbody>tr").remove();'
);

$this->append(
    'mergedScripts',
    'jQuery(".investment-table tbody>tr").remove();'
);

echo $this->Html->scriptBlock($this->fetch('mergedScripts'));

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