Looking to remove a specific part of a string enclosed between two characters? For example, replacing all characters between "value=" and " " with "" so that the value is always an empty string.
For instance:
"<input value=98 name=anything>"
Would become:
"<input value= name=anything>"
Is there a way to achieve this using JavaScript?
If the HTML structure remains consistent, you can utilize regular expressions in this scenario.
However, handling scenarios like value=foo, value="foo", or value="foo bar" can prove to be more complex.
Consider an alternative approach that can handle any HTML string and value:
var tmp_ = document.createElement('div');
tmp_.innerHTML = htmlString;
tmp_.children[0].setAttribute('value', '');
htmlString = tmp_.innerHTML;
I recommend avoiding regular expressions for this task and using some straightforward JavaScript instead:
var inputs = document.getElementsByTagName('input');
alert(inputs.length);
for (i=0; i<inputs.length; i++){
//inputs[i].setAttribute('value',''); or you can use the following line instead...
inputs[i].value = '';
}
For those incorporating javascript libraries:
If using Mootools:
Suppose you have a field with the id="test", you can utilize the following code:
$('test').set('value','');
Alternatively, for Jquery users:
$("#test").val("");
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