let outside = 'outside'; let text = 'text outside'; { let inside = 'inside'; let text = 'text inside'; document.getElementById('out1').textContent = 'in inside ' + inside + ' is visible'; document.getElementById('out2').textContent = 'in inside ' + outside + ' is visible'; document.getElementById('out3').textContent = 'in inside text is ' + text; } document.getElementById('out4').textContent = 'in outside ' + outside + ' is visible'; try { document.getElementById('out5').textContent = 'in outside ' + inside + ' is visible'; } catch(e) { document.getElementById('out5').textContent = 'in outside inside is not visible'; } document.getElementById('out6').textContent = 'in outside text is ' + text;
<div id="out1"></div> <div id="out2"></div> <div id="out3"></div> <div id="out4"></div> <div id="out5"></div> <div id="out6"></div>