i have pushed data to an array like this
this.data.push{'data': 'type',
'value': 'apple'}
and i want to append the value of that particular array's value object. I tried to do it like this
this.data[index].value.push = 'banana';
but it doesn't work?? I want to replace the value
Push is a function Array.push()
this.data[index].push('banana');
Adding items to arrays work like this in javascript:
this.data.push({'data': 'type', 'value': 'apple'});
However, given that your data is an object, you don't need to use push:
this.data[index].value = 'banana';
You can access a value from a javascript object directly.
Given that you have used string keys, you will probably have to do the following:
this.data[index]['value'] = 'banana';
Look at this for more info: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Working_with_Objects
Cannot set property 'value' of undefined this error
i have pushed data to an array like this
this.data.push{'data': 'type', 'value': 'apple'}
No! That does not work without getting a syntax error.
You could use
this.data.push({'data': 'type', 'value': 'apple'});
for inserting a new object at the end of the array data.
For changing a specific objects's property, you need to assign the new content, like
this.data[index].value = 'banana';
This takes an element and the property and assigns the new value 'banana' to it.
Please have a look to properties accessors for objects, like
object.property object["property"]
make it
this.data[index].value = ['banana'];
since you need to replace the value of value attribute with an array.
If this needs to be repeated again then
Array.isArray(this.data[index].value) ? (this.data[index].value = ['banana']) : this.data[index].value.push('banana');
push takes a parameter of object, you must have pass this parameter in braces
this.data.push({'data': 'type', 'value': 'apple'})
to change value you can directly change field value
this.data[index].value = 'banana';
if you want to keep multiple values in value then make value an array as well.
