Below I will share with you an example of using JavaScript to determine whether a variable name exists in an array. It has great reference value and I hope it will be helpful to everyone.
Go directly to the code:
JavaScript code:
var array=[{name:"张珊",sex:"男"}]; console.log(array); if(array[0].name){ console.log('name');//返回name } if(array[0].size){ console.log('size') }else{ console.log('no size');//返回no size }
Print result:
The above is what I compiled for everyone. I hope it will be helpful to everyone in the future.
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